Home / 66,282.27-99,423.40-54,570.88

Finding the Fourth Proportional to 66,282.27, 99,423.40 and 54,570.88

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Solution

The fourth proportional to 66,282.27, 99,423.40 and 54,570.88 is: 81,856.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,282.27 : 99,423.40 = 54,570.88 : x
  2. Step 2: Convert to fraction form
    66,282.27/99,423.40 = 54,570.88/x
  3. Step 3: Cross multiply
    66,282.27x = 99,423.40 × 54,570.88
  4. Step 4: Simplify right side
    66,282.27x = 5,425,622,430.59
  5. Step 5: Solve for x
    x = 5,425,622,430.59/66,282.27
  6. Step 6: Final answer
    x = 81,856.32

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1.5x scale

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.