Home / 83,536.53-115,275.60-45,810.78

Finding the Fourth Proportional to 83,536.53, 115,275.60 and 45,810.78

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Solution

The fourth proportional to 83,536.53, 115,275.60 and 45,810.78 is: 63,216.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,536.53 : 115,275.60 = 45,810.78 : x
  2. Step 2: Convert to fraction form
    83,536.53/115,275.60 = 45,810.78/x
  3. Step 3: Cross multiply
    83,536.53x = 115,275.60 × 45,810.78
  4. Step 4: Simplify right side
    83,536.53x = 5,280,865,150.97
  5. Step 5: Solve for x
    x = 5,280,865,150.97/83,536.53
  6. Step 6: Final answer
    x = 63,216.24

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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.