Home / 94,920.18-130,991.49-52,478.88

Finding the Fourth Proportional to 94,920.18, 130,991.49 and 52,478.88

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Solution

The fourth proportional to 94,920.18, 130,991.49 and 52,478.88 is: 72,421.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,920.18 : 130,991.49 = 52,478.88 : x
  2. Step 2: Convert to fraction form
    94,920.18/130,991.49 = 52,478.88/x
  3. Step 3: Cross multiply
    94,920.18x = 130,991.49 × 52,478.88
  4. Step 4: Simplify right side
    94,920.18x = 6,874,286,684.73
  5. Step 5: Solve for x
    x = 6,874,286,684.73/94,920.18
  6. Step 6: Final answer
    x = 72,421.76

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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.