Home / 91,276.48-125,818.62-83,944.56

Finding the Fourth Proportional to 91,276.48, 125,818.62 and 83,944.56

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Solution

The fourth proportional to 91,276.48, 125,818.62 and 83,944.56 is: 115,712.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,276.48 : 125,818.62 = 83,944.56 : x
  2. Step 2: Convert to fraction form
    91,276.48/125,818.62 = 83,944.56/x
  3. Step 3: Cross multiply
    91,276.48x = 125,818.62 × 83,944.56
  4. Step 4: Simplify right side
    91,276.48x = 10,561,788,695.71
  5. Step 5: Solve for x
    x = 10,561,788,695.71/91,276.48
  6. Step 6: Final answer
    x = 115,712.05

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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.