Home / 80,536.47-111,140.42-44,726.55

Finding the Fourth Proportional to 80,536.47, 111,140.42 and 44,726.55

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Solution

The fourth proportional to 80,536.47, 111,140.42 and 44,726.55 is: 61,722.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,536.47 : 111,140.42 = 44,726.55 : x
  2. Step 2: Convert to fraction form
    80,536.47/111,140.42 = 44,726.55/x
  3. Step 3: Cross multiply
    80,536.47x = 111,140.42 × 44,726.55
  4. Step 4: Simplify right side
    80,536.47x = 4,970,927,328.52
  5. Step 5: Solve for x
    x = 4,970,927,328.52/80,536.47
  6. Step 6: Final answer
    x = 61,722.69

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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.