Home / 80,587.28-111,197.40-44,776.64

Finding the Fourth Proportional to 80,587.28, 111,197.40 and 44,776.64

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Solution

The fourth proportional to 80,587.28, 111,197.40 and 44,776.64 is: 61,784.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,587.28 : 111,197.40 = 44,776.64 : x
  2. Step 2: Convert to fraction form
    80,587.28/111,197.40 = 44,776.64/x
  3. Step 3: Cross multiply
    80,587.28x = 111,197.40 × 44,776.64
  4. Step 4: Simplify right side
    80,587.28x = 4,979,045,948.74
  5. Step 5: Solve for x
    x = 4,979,045,948.74/80,587.28
  6. Step 6: Final answer
    x = 61,784.51

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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.