Home / 88,920.41-133,418.05-38,974.73

Finding the Fourth Proportional to 88,920.41, 133,418.05 and 38,974.73

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Solution

The fourth proportional to 88,920.41, 133,418.05 and 38,974.73 is: 58,478.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,920.41 : 133,418.05 = 38,974.73 : x
  2. Step 2: Convert to fraction form
    88,920.41/133,418.05 = 38,974.73/x
  3. Step 3: Cross multiply
    88,920.41x = 133,418.05 × 38,974.73
  4. Step 4: Simplify right side
    88,920.41x = 5,199,931,711.35
  5. Step 5: Solve for x
    x = 5,199,931,711.35/88,920.41
  6. Step 6: Final answer
    x = 58,478.50

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1.5x scale

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.