Home / 83,626.38-115,389.51-47,327.65

Finding the Fourth Proportional to 83,626.38, 115,389.51 and 47,327.65

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Solution

The fourth proportional to 83,626.38, 115,389.51 and 47,327.65 is: 65,303.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,626.38 : 115,389.51 = 47,327.65 : x
  2. Step 2: Convert to fraction form
    83,626.38/115,389.51 = 47,327.65/x
  3. Step 3: Cross multiply
    83,626.38x = 115,389.51 × 47,327.65
  4. Step 4: Simplify right side
    83,626.38x = 5,461,114,342.95
  5. Step 5: Solve for x
    x = 5,461,114,342.95/83,626.38
  6. Step 6: Final answer
    x = 65,303.73

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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.