Home / 89,909.22-124,004.58-57,646.92

Finding the Fourth Proportional to 89,909.22, 124,004.58 and 57,646.92

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Solution

The fourth proportional to 89,909.22, 124,004.58 and 57,646.92 is: 79,507.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,909.22 : 124,004.58 = 57,646.92 : x
  2. Step 2: Convert to fraction form
    89,909.22/124,004.58 = 57,646.92/x
  3. Step 3: Cross multiply
    89,909.22x = 124,004.58 × 57,646.92
  4. Step 4: Simplify right side
    89,909.22x = 7,148,482,102.89
  5. Step 5: Solve for x
    x = 7,148,482,102.89/89,909.22
  6. Step 6: Final answer
    x = 79,507.78

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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.