Home / 80,712.34-111,381.35-44,901.58

Finding the Fourth Proportional to 80,712.34, 111,381.35 and 44,901.58

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Solution

The fourth proportional to 80,712.34, 111,381.35 and 44,901.58 is: 61,963.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,712.34 : 111,381.35 = 44,901.58 : x
  2. Step 2: Convert to fraction form
    80,712.34/111,381.35 = 44,901.58/x
  3. Step 3: Cross multiply
    80,712.34x = 111,381.35 × 44,901.58
  4. Step 4: Simplify right side
    80,712.34x = 5,001,198,597.53
  5. Step 5: Solve for x
    x = 5,001,198,597.53/80,712.34
  6. Step 6: Final answer
    x = 61,963.25

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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.