Home / 87,422.76-120,547.70-59,079.24

Finding the Fourth Proportional to 87,422.76, 120,547.70 and 59,079.24

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Solution

The fourth proportional to 87,422.76, 120,547.70 and 59,079.24 is: 81,464.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,422.76 : 120,547.70 = 59,079.24 : x
  2. Step 2: Convert to fraction form
    87,422.76/120,547.70 = 59,079.24/x
  3. Step 3: Cross multiply
    87,422.76x = 120,547.70 × 59,079.24
  4. Step 4: Simplify right side
    87,422.76x = 7,121,866,499.75
  5. Step 5: Solve for x
    x = 7,121,866,499.75/87,422.76
  6. Step 6: Final answer
    x = 81,464.67

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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.