Home / 112,681.17-155,498.67-62,380.17

Finding the Fourth Proportional to 112,681.17, 155,498.67 and 62,380.17

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Solution

The fourth proportional to 112,681.17, 155,498.67 and 62,380.17 is: 86,083.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,681.17 : 155,498.67 = 62,380.17 : x
  2. Step 2: Convert to fraction form
    112,681.17/155,498.67 = 62,380.17/x
  3. Step 3: Cross multiply
    112,681.17x = 155,498.67 × 62,380.17
  4. Step 4: Simplify right side
    112,681.17x = 9,700,033,469.37
  5. Step 5: Solve for x
    x = 9,700,033,469.37/112,681.17
  6. Step 6: Final answer
    x = 86,083.89

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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.