Home / 106,862.24-147,470.80-59,117.12

Finding the Fourth Proportional to 106,862.24, 147,470.80 and 59,117.12

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Solution

The fourth proportional to 106,862.24, 147,470.80 and 59,117.12 is: 81,582.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,862.24 : 147,470.80 = 59,117.12 : x
  2. Step 2: Convert to fraction form
    106,862.24/147,470.80 = 59,117.12/x
  3. Step 3: Cross multiply
    106,862.24x = 147,470.80 × 59,117.12
  4. Step 4: Simplify right side
    106,862.24x = 8,718,048,980.10
  5. Step 5: Solve for x
    x = 8,718,048,980.10/106,862.24
  6. Step 6: Final answer
    x = 81,582.13

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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.