Home / 97,305.64-134,279.10-54,863.80

Finding the Fourth Proportional to 97,305.64, 134,279.10 and 54,863.80

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Solution

The fourth proportional to 97,305.64, 134,279.10 and 54,863.80 is: 75,710.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,305.64 : 134,279.10 = 54,863.80 : x
  2. Step 2: Convert to fraction form
    97,305.64/134,279.10 = 54,863.80/x
  3. Step 3: Cross multiply
    97,305.64x = 134,279.10 × 54,863.80
  4. Step 4: Simplify right side
    97,305.64x = 7,367,061,686.58
  5. Step 5: Solve for x
    x = 7,367,061,686.58/97,305.64
  6. Step 6: Final answer
    x = 75,710.53

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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.