Home / 45,315.83-67,980.67-23,117.10

Finding the Fourth Proportional to 45,315.83, 67,980.67 and 23,117.10

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Solution

The fourth proportional to 45,315.83, 67,980.67 and 23,117.10 is: 34,679.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,315.83 : 67,980.67 = 23,117.10 : x
  2. Step 2: Convert to fraction form
    45,315.83/67,980.67 = 23,117.10/x
  3. Step 3: Cross multiply
    45,315.83x = 67,980.67 × 23,117.10
  4. Step 4: Simplify right side
    45,315.83x = 1,571,515,946.46
  5. Step 5: Solve for x
    x = 1,571,515,946.46/45,315.83
  6. Step 6: Final answer
    x = 34,679.18

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.