Home / 94,065.16-140,913.12-54,539.20

Finding the Fourth Proportional to 94,065.16, 140,913.12 and 54,539.20

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Solution

The fourth proportional to 94,065.16, 140,913.12 and 54,539.20 is: 81,701.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,065.16 : 140,913.12 = 54,539.20 : x
  2. Step 2: Convert to fraction form
    94,065.16/140,913.12 = 54,539.20/x
  3. Step 3: Cross multiply
    94,065.16x = 140,913.12 × 54,539.20
  4. Step 4: Simplify right side
    94,065.16x = 7,685,288,834.30
  5. Step 5: Solve for x
    x = 7,685,288,834.30/94,065.16
  6. Step 6: Final answer
    x = 81,701.76

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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.