Home / 102,364.74-141,261.48-57,041.73

Finding the Fourth Proportional to 102,364.74, 141,261.48 and 57,041.73

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Solution

The fourth proportional to 102,364.74, 141,261.48 and 57,041.73 is: 78,716.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,364.74 : 141,261.48 = 57,041.73 : x
  2. Step 2: Convert to fraction form
    102,364.74/141,261.48 = 57,041.73/x
  3. Step 3: Cross multiply
    102,364.74x = 141,261.48 × 57,041.73
  4. Step 4: Simplify right side
    102,364.74x = 8,057,799,201.56
  5. Step 5: Solve for x
    x = 8,057,799,201.56/102,364.74
  6. Step 6: Final answer
    x = 78,716.55

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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.