Home / 92,740.52-139,063.98-66,071.26

Finding the Fourth Proportional to 92,740.52, 139,063.98 and 66,071.26

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Solution

The fourth proportional to 92,740.52, 139,063.98 and 66,071.26 is: 99,073.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,740.52 : 139,063.98 = 66,071.26 : x
  2. Step 2: Convert to fraction form
    92,740.52/139,063.98 = 66,071.26/x
  3. Step 3: Cross multiply
    92,740.52x = 139,063.98 × 66,071.26
  4. Step 4: Simplify right side
    92,740.52x = 9,188,132,379.21
  5. Step 5: Solve for x
    x = 9,188,132,379.21/92,740.52
  6. Step 6: Final answer
    x = 99,073.55

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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.