Home / 77,185.02-106,532.10-45,363.90

Finding the Fourth Proportional to 77,185.02, 106,532.10 and 45,363.90

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Solution

The fourth proportional to 77,185.02, 106,532.10 and 45,363.90 is: 62,612.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,185.02 : 106,532.10 = 45,363.90 : x
  2. Step 2: Convert to fraction form
    77,185.02/106,532.10 = 45,363.90/x
  3. Step 3: Cross multiply
    77,185.02x = 106,532.10 × 45,363.90
  4. Step 4: Simplify right side
    77,185.02x = 4,832,711,531.19
  5. Step 5: Solve for x
    x = 4,832,711,531.19/77,185.02
  6. Step 6: Final answer
    x = 62,612.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.