Home / 59,981.12-82,781.28-34,830.64

Finding the Fourth Proportional to 59,981.12, 82,781.28 and 34,830.64

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Solution

The fourth proportional to 59,981.12, 82,781.28 and 34,830.64 is: 48,070.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,981.12 : 82,781.28 = 34,830.64 : x
  2. Step 2: Convert to fraction form
    59,981.12/82,781.28 = 34,830.64/x
  3. Step 3: Cross multiply
    59,981.12x = 82,781.28 × 34,830.64
  4. Step 4: Simplify right side
    59,981.12x = 2,883,324,962.42
  5. Step 5: Solve for x
    x = 2,883,324,962.42/59,981.12
  6. Step 6: Final answer
    x = 48,070.54

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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.