Home / 97,139.54-145,702.62-59,705.39

Finding the Fourth Proportional to 97,139.54, 145,702.62 and 59,705.39

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Solution

The fourth proportional to 97,139.54, 145,702.62 and 59,705.39 is: 89,553.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,139.54 : 145,702.62 = 59,705.39 : x
  2. Step 2: Convert to fraction form
    97,139.54/145,702.62 = 59,705.39/x
  3. Step 3: Cross multiply
    97,139.54x = 145,702.62 × 59,705.39
  4. Step 4: Simplify right side
    97,139.54x = 8,699,232,115.38
  5. Step 5: Solve for x
    x = 8,699,232,115.38/97,139.54
  6. Step 6: Final answer
    x = 89,553.97

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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.