Home / 87,336.02-120,524.15-51,039.59

Finding the Fourth Proportional to 87,336.02, 120,524.15 and 51,039.59

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Solution

The fourth proportional to 87,336.02, 120,524.15 and 51,039.59 is: 70,434.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,336.02 : 120,524.15 = 51,039.59 : x
  2. Step 2: Convert to fraction form
    87,336.02/120,524.15 = 51,039.59/x
  3. Step 3: Cross multiply
    87,336.02x = 120,524.15 × 51,039.59
  4. Step 4: Simplify right side
    87,336.02x = 6,151,502,726.08
  5. Step 5: Solve for x
    x = 6,151,502,726.08/87,336.02
  6. Step 6: Final answer
    x = 70,434.89

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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.