Home / 99,217.17-136,912.61-56,184.30

Finding the Fourth Proportional to 99,217.17, 136,912.61 and 56,184.30

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Solution

The fourth proportional to 99,217.17, 136,912.61 and 56,184.30 is: 77,530.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,217.17 : 136,912.61 = 56,184.30 : x
  2. Step 2: Convert to fraction form
    99,217.17/136,912.61 = 56,184.30/x
  3. Step 3: Cross multiply
    99,217.17x = 136,912.61 × 56,184.30
  4. Step 4: Simplify right side
    99,217.17x = 7,692,339,154.02
  5. Step 5: Solve for x
    x = 7,692,339,154.02/99,217.17
  6. Step 6: Final answer
    x = 77,530.32

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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.