Home / 81,166.16-111,990.08-47,154.44

Finding the Fourth Proportional to 81,166.16, 111,990.08 and 47,154.44

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Solution

The fourth proportional to 81,166.16, 111,990.08 and 47,154.44 is: 65,061.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,166.16 : 111,990.08 = 47,154.44 : x
  2. Step 2: Convert to fraction form
    81,166.16/111,990.08 = 47,154.44/x
  3. Step 3: Cross multiply
    81,166.16x = 111,990.08 × 47,154.44
  4. Step 4: Simplify right side
    81,166.16x = 5,280,829,507.96
  5. Step 5: Solve for x
    x = 5,280,829,507.96/81,166.16
  6. Step 6: Final answer
    x = 65,061.96

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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.