Home / 87,320.13-120,501.77-47,576.13

Finding the Fourth Proportional to 87,320.13, 120,501.77 and 47,576.13

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Solution

The fourth proportional to 87,320.13, 120,501.77 and 47,576.13 is: 65,655.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,320.13 : 120,501.77 = 47,576.13 : x
  2. Step 2: Convert to fraction form
    87,320.13/120,501.77 = 47,576.13/x
  3. Step 3: Cross multiply
    87,320.13x = 120,501.77 × 47,576.13
  4. Step 4: Simplify right side
    87,320.13x = 5,733,007,874.75
  5. Step 5: Solve for x
    x = 5,733,007,874.75/87,320.13
  6. Step 6: Final answer
    x = 65,655.05

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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.