Home / 87,800.95-121,165.67-47,514.71

Finding the Fourth Proportional to 87,800.95, 121,165.67 and 47,514.71

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Solution

The fourth proportional to 87,800.95, 121,165.67 and 47,514.71 is: 65,570.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,800.95 : 121,165.67 = 47,514.71 : x
  2. Step 2: Convert to fraction form
    87,800.95/121,165.67 = 47,514.71/x
  3. Step 3: Cross multiply
    87,800.95x = 121,165.67 × 47,514.71
  4. Step 4: Simplify right side
    87,800.95x = 5,757,152,093.71
  5. Step 5: Solve for x
    x = 5,757,152,093.71/87,800.95
  6. Step 6: Final answer
    x = 65,570.50

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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.