Home / 87,952.73-121,374.45-47,667.47

Finding the Fourth Proportional to 87,952.73, 121,374.45 and 47,667.47

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Solution

The fourth proportional to 87,952.73, 121,374.45 and 47,667.47 is: 65,780.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,952.73 : 121,374.45 = 47,667.47 : x
  2. Step 2: Convert to fraction form
    87,952.73/121,374.45 = 47,667.47/x
  3. Step 3: Cross multiply
    87,952.73x = 121,374.45 × 47,667.47
  4. Step 4: Simplify right side
    87,952.73x = 5,785,612,347.27
  5. Step 5: Solve for x
    x = 5,785,612,347.27/87,952.73
  6. Step 6: Final answer
    x = 65,780.93

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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.