Home / 83,748.04-115,578.74-47,949.32

Finding the Fourth Proportional to 83,748.04, 115,578.74 and 47,949.32

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Solution

The fourth proportional to 83,748.04, 115,578.74 and 47,949.32 is: 66,173.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,748.04 : 115,578.74 = 47,949.32 : x
  2. Step 2: Convert to fraction form
    83,748.04/115,578.74 = 47,949.32/x
  3. Step 3: Cross multiply
    83,748.04x = 115,578.74 × 47,949.32
  4. Step 4: Simplify right side
    83,748.04x = 5,541,921,989.46
  5. Step 5: Solve for x
    x = 5,541,921,989.46/83,748.04
  6. Step 6: Final answer
    x = 66,173.75

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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.