Home / 92,888.28-128,182.20-50,445.84

Finding the Fourth Proportional to 92,888.28, 128,182.20 and 50,445.84

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Solution

The fourth proportional to 92,888.28, 128,182.20 and 50,445.84 is: 69,613.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,888.28 : 128,182.20 = 50,445.84 : x
  2. Step 2: Convert to fraction form
    92,888.28/128,182.20 = 50,445.84/x
  3. Step 3: Cross multiply
    92,888.28x = 128,182.20 × 50,445.84
  4. Step 4: Simplify right side
    92,888.28x = 6,466,258,752.05
  5. Step 5: Solve for x
    x = 6,466,258,752.05/92,888.28
  6. Step 6: Final answer
    x = 69,613.29

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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.