Home / 106,718.13-147,272.04-58,972.28

Finding the Fourth Proportional to 106,718.13, 147,272.04 and 58,972.28

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Solution

The fourth proportional to 106,718.13, 147,272.04 and 58,972.28 is: 81,382.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,718.13 : 147,272.04 = 58,972.28 : x
  2. Step 2: Convert to fraction form
    106,718.13/147,272.04 = 58,972.28/x
  3. Step 3: Cross multiply
    106,718.13x = 147,272.04 × 58,972.28
  4. Step 4: Simplify right side
    106,718.13x = 8,684,967,242.69
  5. Step 5: Solve for x
    x = 8,684,967,242.69/106,718.13
  6. Step 6: Final answer
    x = 81,382.30

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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.