Home / 64,853.46-89,498.70-39,702.96

Finding the Fourth Proportional to 64,853.46, 89,498.70 and 39,702.96

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Solution

The fourth proportional to 64,853.46, 89,498.70 and 39,702.96 is: 54,790.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,853.46 : 89,498.70 = 39,702.96 : x
  2. Step 2: Convert to fraction form
    64,853.46/89,498.70 = 39,702.96/x
  3. Step 3: Cross multiply
    64,853.46x = 89,498.70 × 39,702.96
  4. Step 4: Simplify right side
    64,853.46x = 3,553,363,306.15
  5. Step 5: Solve for x
    x = 3,553,363,306.15/64,853.46
  6. Step 6: Final answer
    x = 54,790.65

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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.