Home / 87,416.61-120,633.75-49,173.27

Finding the Fourth Proportional to 87,416.61, 120,633.75 and 49,173.27

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Solution

The fourth proportional to 87,416.61, 120,633.75 and 49,173.27 is: 67,858.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,416.61 : 120,633.75 = 49,173.27 : x
  2. Step 2: Convert to fraction form
    87,416.61/120,633.75 = 49,173.27/x
  3. Step 3: Cross multiply
    87,416.61x = 120,633.75 × 49,173.27
  4. Step 4: Simplify right side
    87,416.61x = 5,931,955,959.86
  5. Step 5: Solve for x
    x = 5,931,955,959.86/87,416.61
  6. Step 6: Final answer
    x = 67,858.45

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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.