Home / 103,176.53-142,380.66-62,875.59

Finding the Fourth Proportional to 103,176.53, 142,380.66 and 62,875.59

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Solution

The fourth proportional to 103,176.53, 142,380.66 and 62,875.59 is: 86,766.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,176.53 : 142,380.66 = 62,875.59 : x
  2. Step 2: Convert to fraction form
    103,176.53/142,380.66 = 62,875.59/x
  3. Step 3: Cross multiply
    103,176.53x = 142,380.66 × 62,875.59
  4. Step 4: Simplify right side
    103,176.53x = 8,952,268,151.16
  5. Step 5: Solve for x
    x = 8,952,268,151.16/103,176.53
  6. Step 6: Final answer
    x = 86,766.51

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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.