Home / 74,256.96-102,465.14-42,427.92

Finding the Fourth Proportional to 74,256.96, 102,465.14 and 42,427.92

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Solution

The fourth proportional to 74,256.96, 102,465.14 and 42,427.92 is: 58,545.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,256.96 : 102,465.14 = 42,427.92 : x
  2. Step 2: Convert to fraction form
    74,256.96/102,465.14 = 42,427.92/x
  3. Step 3: Cross multiply
    74,256.96x = 102,465.14 × 42,427.92
  4. Step 4: Simplify right side
    74,256.96x = 4,347,382,762.71
  5. Step 5: Solve for x
    x = 4,347,382,762.71/74,256.96
  6. Step 6: Final answer
    x = 58,545.12

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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.