Home / 87,085.95-120,188.52-48,855.71

Finding the Fourth Proportional to 87,085.95, 120,188.52 and 48,855.71

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Solution

The fourth proportional to 87,085.95, 120,188.52 and 48,855.71 is: 67,426.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,085.95 : 120,188.52 = 48,855.71 : x
  2. Step 2: Convert to fraction form
    87,085.95/120,188.52 = 48,855.71/x
  3. Step 3: Cross multiply
    87,085.95x = 120,188.52 × 48,855.71
  4. Step 4: Simplify right side
    87,085.95x = 5,871,894,877.51
  5. Step 5: Solve for x
    x = 5,871,894,877.51/87,085.95
  6. Step 6: Final answer
    x = 67,426.43

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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.