Home / 87,526.84-120,789.39-53,534.74

Finding the Fourth Proportional to 87,526.84, 120,789.39 and 53,534.74

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Solution

The fourth proportional to 87,526.84, 120,789.39 and 53,534.74 is: 73,879.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,526.84 : 120,789.39 = 53,534.74 : x
  2. Step 2: Convert to fraction form
    87,526.84/120,789.39 = 53,534.74/x
  3. Step 3: Cross multiply
    87,526.84x = 120,789.39 × 53,534.74
  4. Step 4: Simplify right side
    87,526.84x = 6,466,428,588.41
  5. Step 5: Solve for x
    x = 6,466,428,588.41/87,526.84
  6. Step 6: Final answer
    x = 73,879.38

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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.