Home / 83,824.77-115,657.88-53,186.68

Finding the Fourth Proportional to 83,824.77, 115,657.88 and 53,186.68

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Solution

The fourth proportional to 83,824.77, 115,657.88 and 53,186.68 is: 73,384.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,824.77 : 115,657.88 = 53,186.68 : x
  2. Step 2: Convert to fraction form
    83,824.77/115,657.88 = 53,186.68/x
  3. Step 3: Cross multiply
    83,824.77x = 115,657.88 × 53,186.68
  4. Step 4: Simplify right side
    83,824.77x = 6,151,458,097.96
  5. Step 5: Solve for x
    x = 6,151,458,097.96/83,824.77
  6. Step 6: Final answer
    x = 73,384.73

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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.