Home / 113,507.76-170,366.56-57,387.36

Finding the Fourth Proportional to 113,507.76, 170,366.56 and 57,387.36

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Solution

The fourth proportional to 113,507.76, 170,366.56 and 57,387.36 is: 86,134.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,507.76 : 170,366.56 = 57,387.36 : x
  2. Step 2: Convert to fraction form
    113,507.76/170,366.56 = 57,387.36/x
  3. Step 3: Cross multiply
    113,507.76x = 170,366.56 × 57,387.36
  4. Step 4: Simplify right side
    113,507.76x = 9,776,887,110.68
  5. Step 5: Solve for x
    x = 9,776,887,110.68/113,507.76
  6. Step 6: Final answer
    x = 86,134.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.