Home / 83,130.40-124,696.08-27,726.24

Finding the Fourth Proportional to 83,130.40, 124,696.08 and 27,726.24

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Solution

The fourth proportional to 83,130.40, 124,696.08 and 27,726.24 is: 41,589.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,130.40 : 124,696.08 = 27,726.24 : x
  2. Step 2: Convert to fraction form
    83,130.40/124,696.08 = 27,726.24/x
  3. Step 3: Cross multiply
    83,130.40x = 124,696.08 × 27,726.24
  4. Step 4: Simplify right side
    83,130.40x = 3,457,353,441.14
  5. Step 5: Solve for x
    x = 3,457,353,441.14/83,130.40
  6. Step 6: Final answer
    x = 41,589.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.