Home / 71,129.14-98,114.83-45,626.92

Finding the Fourth Proportional to 71,129.14, 98,114.83 and 45,626.92

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Solution

The fourth proportional to 71,129.14, 98,114.83 and 45,626.92 is: 62,937.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,129.14 : 98,114.83 = 45,626.92 : x
  2. Step 2: Convert to fraction form
    71,129.14/98,114.83 = 45,626.92/x
  3. Step 3: Cross multiply
    71,129.14x = 98,114.83 × 45,626.92
  4. Step 4: Simplify right side
    71,129.14x = 4,476,677,499.22
  5. Step 5: Solve for x
    x = 4,476,677,499.22/71,129.14
  6. Step 6: Final answer
    x = 62,937.32

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1.5x scale

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.