Home / 74,292.30-102,498.44-42,438.65

Finding the Fourth Proportional to 74,292.30, 102,498.44 and 42,438.65

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Solution

The fourth proportional to 74,292.30, 102,498.44 and 42,438.65 is: 58,551.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,292.30 : 102,498.44 = 42,438.65 : x
  2. Step 2: Convert to fraction form
    74,292.30/102,498.44 = 42,438.65/x
  3. Step 3: Cross multiply
    74,292.30x = 102,498.44 × 42,438.65
  4. Step 4: Simplify right side
    74,292.30x = 4,349,895,420.71
  5. Step 5: Solve for x
    x = 4,349,895,420.71/74,292.30
  6. Step 6: Final answer
    x = 58,551.09

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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.