Home / 64,139.14-88,454.70-40,268.04

Finding the Fourth Proportional to 64,139.14, 88,454.70 and 40,268.04

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Solution

The fourth proportional to 64,139.14, 88,454.70 and 40,268.04 is: 55,533.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,139.14 : 88,454.70 = 40,268.04 : x
  2. Step 2: Convert to fraction form
    64,139.14/88,454.70 = 40,268.04/x
  3. Step 3: Cross multiply
    64,139.14x = 88,454.70 × 40,268.04
  4. Step 4: Simplify right side
    64,139.14x = 3,561,897,397.79
  5. Step 5: Solve for x
    x = 3,561,897,397.79/64,139.14
  6. Step 6: Final answer
    x = 55,533.91

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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.