Home / 58,712.75-81,031.23-32,881.13

Finding the Fourth Proportional to 58,712.75, 81,031.23 and 32,881.13

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Solution

The fourth proportional to 58,712.75, 81,031.23 and 32,881.13 is: 45,380.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,712.75 : 81,031.23 = 32,881.13 : x
  2. Step 2: Convert to fraction form
    58,712.75/81,031.23 = 32,881.13/x
  3. Step 3: Cross multiply
    58,712.75x = 81,031.23 × 32,881.13
  4. Step 4: Simplify right side
    58,712.75x = 2,664,398,407.69
  5. Step 5: Solve for x
    x = 2,664,398,407.69/58,712.75
  6. Step 6: Final answer
    x = 45,380.24

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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.