Home / 113,925.90-157,218.37-62,938.02

Finding the Fourth Proportional to 113,925.90, 157,218.37 and 62,938.02

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Solution

The fourth proportional to 113,925.90, 157,218.37 and 62,938.02 is: 86,854.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,925.90 : 157,218.37 = 62,938.02 : x
  2. Step 2: Convert to fraction form
    113,925.90/157,218.37 = 62,938.02/x
  3. Step 3: Cross multiply
    113,925.90x = 157,218.37 × 62,938.02
  4. Step 4: Simplify right side
    113,925.90x = 9,895,012,915.43
  5. Step 5: Solve for x
    x = 9,895,012,915.43/113,925.90
  6. Step 6: Final answer
    x = 86,854.81

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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.