Home / 74,691.60-103,065.08-50,545.36

Finding the Fourth Proportional to 74,691.60, 103,065.08 and 50,545.36

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Solution

The fourth proportional to 74,691.60, 103,065.08 and 50,545.36 is: 69,746.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,691.60 : 103,065.08 = 50,545.36 : x
  2. Step 2: Convert to fraction form
    74,691.60/103,065.08 = 50,545.36/x
  3. Step 3: Cross multiply
    74,691.60x = 103,065.08 × 50,545.36
  4. Step 4: Simplify right side
    74,691.60x = 5,209,461,572.03
  5. Step 5: Solve for x
    x = 5,209,461,572.03/74,691.60
  6. Step 6: Final answer
    x = 69,746.28

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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.