Home / 83,417.12-115,100.88-47,601.44

Finding the Fourth Proportional to 83,417.12, 115,100.88 and 47,601.44

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Solution

The fourth proportional to 83,417.12, 115,100.88 and 47,601.44 is: 65,681.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,417.12 : 115,100.88 = 47,601.44 : x
  2. Step 2: Convert to fraction form
    83,417.12/115,100.88 = 47,601.44/x
  3. Step 3: Cross multiply
    83,417.12x = 115,100.88 × 47,601.44
  4. Step 4: Simplify right side
    83,417.12x = 5,478,967,633.27
  5. Step 5: Solve for x
    x = 5,478,967,633.27/83,417.12
  6. Step 6: Final answer
    x = 65,681.57

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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.