Home / 87,328.64-120,475.20-59,024

Finding the Fourth Proportional to 87,328.64, 120,475.20 and 59,024

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Solution

The fourth proportional to 87,328.64, 120,475.20 and 59,024 is: 81,427.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,328.64 : 120,475.20 = 59,024 : x
  2. Step 2: Convert to fraction form
    87,328.64/120,475.20 = 59,024/x
  3. Step 3: Cross multiply
    87,328.64x = 120,475.20 × 59,024
  4. Step 4: Simplify right side
    87,328.64x = 7,110,928,204.80
  5. Step 5: Solve for x
    x = 7,110,928,204.80/87,328.64
  6. Step 6: Final answer
    x = 81,427.22

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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.