Home / 87,050.32-120,085.23-56,853.32

Finding the Fourth Proportional to 87,050.32, 120,085.23 and 56,853.32

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Solution

The fourth proportional to 87,050.32, 120,085.23 and 56,853.32 is: 78,428.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,050.32 : 120,085.23 = 56,853.32 : x
  2. Step 2: Convert to fraction form
    87,050.32/120,085.23 = 56,853.32/x
  3. Step 3: Cross multiply
    87,050.32x = 120,085.23 × 56,853.32
  4. Step 4: Simplify right side
    87,050.32x = 6,827,244,008.46
  5. Step 5: Solve for x
    x = 6,827,244,008.46/87,050.32
  6. Step 6: Final answer
    x = 78,428.71

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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.