Home / 66,282.25-99,423.37-54,570.86

Finding the Fourth Proportional to 66,282.25, 99,423.37 and 54,570.86

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Solution

The fourth proportional to 66,282.25, 99,423.37 and 54,570.86 is: 81,856.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,282.25 : 99,423.37 = 54,570.86 : x
  2. Step 2: Convert to fraction form
    66,282.25/99,423.37 = 54,570.86/x
  3. Step 3: Cross multiply
    66,282.25x = 99,423.37 × 54,570.86
  4. Step 4: Simplify right side
    66,282.25x = 5,425,619,461.67
  5. Step 5: Solve for x
    x = 5,425,619,461.67/66,282.25
  6. Step 6: Final answer
    x = 81,856.30

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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.