Home / 95,560.40-142,534.32-82,981.51

Finding the Fourth Proportional to 95,560.40, 142,534.32 and 82,981.51

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Solution

The fourth proportional to 95,560.40, 142,534.32 and 82,981.51 is: 123,772.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,560.40 : 142,534.32 = 82,981.51 : x
  2. Step 2: Convert to fraction form
    95,560.40/142,534.32 = 82,981.51/x
  3. Step 3: Cross multiply
    95,560.40x = 142,534.32 × 82,981.51
  4. Step 4: Simplify right side
    95,560.40x = 11,827,713,100.42
  5. Step 5: Solve for x
    x = 11,827,713,100.42/95,560.40
  6. Step 6: Final answer
    x = 123,772.12

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.