Home / 45,190.60-67,815.18-34,122.76

Finding the Fourth Proportional to 45,190.60, 67,815.18 and 34,122.76

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Solution

The fourth proportional to 45,190.60, 67,815.18 and 34,122.76 is: 51,206.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,190.60 : 67,815.18 = 34,122.76 : x
  2. Step 2: Convert to fraction form
    45,190.60/67,815.18 = 34,122.76/x
  3. Step 3: Cross multiply
    45,190.60x = 67,815.18 × 34,122.76
  4. Step 4: Simplify right side
    45,190.60x = 2,314,041,111.50
  5. Step 5: Solve for x
    x = 2,314,041,111.50/45,190.60
  6. Step 6: Final answer
    x = 51,206.25

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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.