Home / 87,079.23-120,170.71-48,847.28

Finding the Fourth Proportional to 87,079.23, 120,170.71 and 48,847.28

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Solution

The fourth proportional to 87,079.23, 120,170.71 and 48,847.28 is: 67,410.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,079.23 : 120,170.71 = 48,847.28 : x
  2. Step 2: Convert to fraction form
    87,079.23/120,170.71 = 48,847.28/x
  3. Step 3: Cross multiply
    87,079.23x = 120,170.71 × 48,847.28
  4. Step 4: Simplify right side
    87,079.23x = 5,870,011,779.37
  5. Step 5: Solve for x
    x = 5,870,011,779.37/87,079.23
  6. Step 6: Final answer
    x = 67,410.01

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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.