Home / 111,271.60-153,557.58-63,529.39

Finding the Fourth Proportional to 111,271.60, 153,557.58 and 63,529.39

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Solution

The fourth proportional to 111,271.60, 153,557.58 and 63,529.39 is: 87,672.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,271.60 : 153,557.58 = 63,529.39 : x
  2. Step 2: Convert to fraction form
    111,271.60/153,557.58 = 63,529.39/x
  3. Step 3: Cross multiply
    111,271.60x = 153,557.58 × 63,529.39
  4. Step 4: Simplify right side
    111,271.60x = 9,755,419,387.28
  5. Step 5: Solve for x
    x = 9,755,419,387.28/111,271.60
  6. Step 6: Final answer
    x = 87,672.14

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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.