Home / 87,244.40-130,834.20-31,062.80

Finding the Fourth Proportional to 87,244.40, 130,834.20 and 31,062.80

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Solution

The fourth proportional to 87,244.40, 130,834.20 and 31,062.80 is: 46,582.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,244.40 : 130,834.20 = 31,062.80 : x
  2. Step 2: Convert to fraction form
    87,244.40/130,834.20 = 31,062.80/x
  3. Step 3: Cross multiply
    87,244.40x = 130,834.20 × 31,062.80
  4. Step 4: Simplify right side
    87,244.40x = 4,064,076,587.76
  5. Step 5: Solve for x
    x = 4,064,076,587.76/87,244.40
  6. Step 6: Final answer
    x = 46,582.66

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.