Home / 111,107.36-153,330.13-62,718.96

Finding the Fourth Proportional to 111,107.36, 153,330.13 and 62,718.96

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Solution

The fourth proportional to 111,107.36, 153,330.13 and 62,718.96 is: 86,553.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,107.36 : 153,330.13 = 62,718.96 : x
  2. Step 2: Convert to fraction form
    111,107.36/153,330.13 = 62,718.96/x
  3. Step 3: Cross multiply
    111,107.36x = 153,330.13 × 62,718.96
  4. Step 4: Simplify right side
    111,107.36x = 9,616,706,081.17
  5. Step 5: Solve for x
    x = 9,616,706,081.17/111,107.36
  6. Step 6: Final answer
    x = 86,553.28

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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.