Home / 89,478.98-134,211.50-52,015.16

Finding the Fourth Proportional to 89,478.98, 134,211.50 and 52,015.16

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Solution

The fourth proportional to 89,478.98, 134,211.50 and 52,015.16 is: 78,018.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,478.98 : 134,211.50 = 52,015.16 : x
  2. Step 2: Convert to fraction form
    89,478.98/134,211.50 = 52,015.16/x
  3. Step 3: Cross multiply
    89,478.98x = 134,211.50 × 52,015.16
  4. Step 4: Simplify right side
    89,478.98x = 6,981,032,721.79
  5. Step 5: Solve for x
    x = 6,981,032,721.79/89,478.98
  6. Step 6: Final answer
    x = 78,018.69

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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.