Home / 87,853.03-121,237-47,566.83

Finding the Fourth Proportional to 87,853.03, 121,237 and 47,566.83

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Solution

The fourth proportional to 87,853.03, 121,237 and 47,566.83 is: 65,642.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,853.03 : 121,237 = 47,566.83 : x
  2. Step 2: Convert to fraction form
    87,853.03/121,237 = 47,566.83/x
  3. Step 3: Cross multiply
    87,853.03x = 121,237 × 47,566.83
  4. Step 4: Simplify right side
    87,853.03x = 5,766,859,768.71
  5. Step 5: Solve for x
    x = 5,766,859,768.71/87,853.03
  6. Step 6: Final answer
    x = 65,642.13

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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.