Home / 80,526.40-111,127.52-44,718.72

Finding the Fourth Proportional to 80,526.40, 111,127.52 and 44,718.72

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Solution

The fourth proportional to 80,526.40, 111,127.52 and 44,718.72 is: 61,712.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,526.40 : 111,127.52 = 44,718.72 : x
  2. Step 2: Convert to fraction form
    80,526.40/111,127.52 = 44,718.72/x
  3. Step 3: Cross multiply
    80,526.40x = 111,127.52 × 44,718.72
  4. Step 4: Simplify right side
    80,526.40x = 4,969,480,451.17
  5. Step 5: Solve for x
    x = 4,969,480,451.17/80,526.40
  6. Step 6: Final answer
    x = 61,712.44

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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.