Home / 92,341.74-138,463.36-47,923.76

Finding the Fourth Proportional to 92,341.74, 138,463.36 and 47,923.76

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Solution

The fourth proportional to 92,341.74, 138,463.36 and 47,923.76 is: 71,860.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,341.74 : 138,463.36 = 47,923.76 : x
  2. Step 2: Convert to fraction form
    92,341.74/138,463.36 = 47,923.76/x
  3. Step 3: Cross multiply
    92,341.74x = 138,463.36 × 47,923.76
  4. Step 4: Simplify right side
    92,341.74x = 6,635,684,833.43
  5. Step 5: Solve for x
    x = 6,635,684,833.43/92,341.74
  6. Step 6: Final answer
    x = 71,860.08

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.