Home / 80,808.48-121,225.55-24,635.72

Finding the Fourth Proportional to 80,808.48, 121,225.55 and 24,635.72

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Solution

The fourth proportional to 80,808.48, 121,225.55 and 24,635.72 is: 36,957.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,808.48 : 121,225.55 = 24,635.72 : x
  2. Step 2: Convert to fraction form
    80,808.48/121,225.55 = 24,635.72/x
  3. Step 3: Cross multiply
    80,808.48x = 121,225.55 × 24,635.72
  4. Step 4: Simplify right side
    80,808.48x = 2,986,478,886.53
  5. Step 5: Solve for x
    x = 2,986,478,886.53/80,808.48
  6. Step 6: Final answer
    x = 36,957.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.