Home / 82,870.48-124,194.75-45,373.96

Finding the Fourth Proportional to 82,870.48, 124,194.75 and 45,373.96

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Solution

The fourth proportional to 82,870.48, 124,194.75 and 45,373.96 is: 68,000.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,870.48 : 124,194.75 = 45,373.96 : x
  2. Step 2: Convert to fraction form
    82,870.48/124,194.75 = 45,373.96/x
  3. Step 3: Cross multiply
    82,870.48x = 124,194.75 × 45,373.96
  4. Step 4: Simplify right side
    82,870.48x = 5,635,207,618.71
  5. Step 5: Solve for x
    x = 5,635,207,618.71/82,870.48
  6. Step 6: Final answer
    x = 68,000.18

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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.