Home / 86,461.56-119,335.50-54,610.20

Finding the Fourth Proportional to 86,461.56, 119,335.50 and 54,610.20

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Solution

The fourth proportional to 86,461.56, 119,335.50 and 54,610.20 is: 75,373.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,461.56 : 119,335.50 = 54,610.20 : x
  2. Step 2: Convert to fraction form
    86,461.56/119,335.50 = 54,610.20/x
  3. Step 3: Cross multiply
    86,461.56x = 119,335.50 × 54,610.20
  4. Step 4: Simplify right side
    86,461.56x = 6,516,935,522.10
  5. Step 5: Solve for x
    x = 6,516,935,522.10/86,461.56
  6. Step 6: Final answer
    x = 75,373.79

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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.