Home / 71,616.04-107,392.20-38,329.72

Finding the Fourth Proportional to 71,616.04, 107,392.20 and 38,329.72

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Solution

The fourth proportional to 71,616.04, 107,392.20 and 38,329.72 is: 57,477.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,616.04 : 107,392.20 = 38,329.72 : x
  2. Step 2: Convert to fraction form
    71,616.04/107,392.20 = 38,329.72/x
  3. Step 3: Cross multiply
    71,616.04x = 107,392.20 × 38,329.72
  4. Step 4: Simplify right side
    71,616.04x = 4,116,312,956.18
  5. Step 5: Solve for x
    x = 4,116,312,956.18/71,616.04
  6. Step 6: Final answer
    x = 57,477.53

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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.