Home / 57,829.40-86,744.10-54,330.20

Finding the Fourth Proportional to 57,829.40, 86,744.10 and 54,330.20

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Solution

The fourth proportional to 57,829.40, 86,744.10 and 54,330.20 is: 81,495.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,829.40 : 86,744.10 = 54,330.20 : x
  2. Step 2: Convert to fraction form
    57,829.40/86,744.10 = 54,330.20/x
  3. Step 3: Cross multiply
    57,829.40x = 86,744.10 × 54,330.20
  4. Step 4: Simplify right side
    57,829.40x = 4,712,824,301.82
  5. Step 5: Solve for x
    x = 4,712,824,301.82/57,829.40
  6. Step 6: Final answer
    x = 81,495.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.