Home / 74,292.15-102,498.22-42,438.49

Finding the Fourth Proportional to 74,292.15, 102,498.22 and 42,438.49

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Solution

The fourth proportional to 74,292.15, 102,498.22 and 42,438.49 is: 58,550.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,292.15 : 102,498.22 = 42,438.49 : x
  2. Step 2: Convert to fraction form
    74,292.15/102,498.22 = 42,438.49/x
  3. Step 3: Cross multiply
    74,292.15x = 102,498.22 × 42,438.49
  4. Step 4: Simplify right side
    74,292.15x = 4,349,869,375.19
  5. Step 5: Solve for x
    x = 4,349,869,375.19/74,292.15
  6. Step 6: Final answer
    x = 58,550.86

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1.5x scale

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.