Home / 89,630.31-134,445.51-36,981.93

Finding the Fourth Proportional to 89,630.31, 134,445.51 and 36,981.93

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Solution

The fourth proportional to 89,630.31, 134,445.51 and 36,981.93 is: 55,472.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,630.31 : 134,445.51 = 36,981.93 : x
  2. Step 2: Convert to fraction form
    89,630.31/134,445.51 = 36,981.93/x
  3. Step 3: Cross multiply
    89,630.31x = 134,445.51 × 36,981.93
  4. Step 4: Simplify right side
    89,630.31x = 4,972,054,439.63
  5. Step 5: Solve for x
    x = 4,972,054,439.63/89,630.31
  6. Step 6: Final answer
    x = 55,472.91

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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.