Home / 83,275.08-115,003.56-53,074.63

Finding the Fourth Proportional to 83,275.08, 115,003.56 and 53,074.63

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Solution

The fourth proportional to 83,275.08, 115,003.56 and 53,074.63 is: 73,296.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,275.08 : 115,003.56 = 53,074.63 : x
  2. Step 2: Convert to fraction form
    83,275.08/115,003.56 = 53,074.63/x
  3. Step 3: Cross multiply
    83,275.08x = 115,003.56 × 53,074.63
  4. Step 4: Simplify right side
    83,275.08x = 6,103,771,395.68
  5. Step 5: Solve for x
    x = 6,103,771,395.68/83,275.08
  6. Step 6: Final answer
    x = 73,296.49

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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.