Home / 74,153.25-102,345.71-57,988.53

Finding the Fourth Proportional to 74,153.25, 102,345.71 and 57,988.53

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Solution

The fourth proportional to 74,153.25, 102,345.71 and 57,988.53 is: 80,035.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,153.25 : 102,345.71 = 57,988.53 : x
  2. Step 2: Convert to fraction form
    74,153.25/102,345.71 = 57,988.53/x
  3. Step 3: Cross multiply
    74,153.25x = 102,345.71 × 57,988.53
  4. Step 4: Simplify right side
    74,153.25x = 5,934,876,984.76
  5. Step 5: Solve for x
    x = 5,934,876,984.76/74,153.25
  6. Step 6: Final answer
    x = 80,035.29

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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.