Home / 83,436.24-125,128.26-27,263.64

Finding the Fourth Proportional to 83,436.24, 125,128.26 and 27,263.64

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Solution

The fourth proportional to 83,436.24, 125,128.26 and 27,263.64 is: 40,886.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,436.24 : 125,128.26 = 27,263.64 : x
  2. Step 2: Convert to fraction form
    83,436.24/125,128.26 = 27,263.64/x
  3. Step 3: Cross multiply
    83,436.24x = 125,128.26 × 27,263.64
  4. Step 4: Simplify right side
    83,436.24x = 3,411,451,834.47
  5. Step 5: Solve for x
    x = 3,411,451,834.47/83,436.24
  6. Step 6: Final answer
    x = 40,886.93

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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.