Home / 113,087.64-169,636.17-38,215.40

Finding the Fourth Proportional to 113,087.64, 169,636.17 and 38,215.40

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Solution

The fourth proportional to 113,087.64, 169,636.17 and 38,215.40 is: 57,324.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,087.64 : 169,636.17 = 38,215.40 : x
  2. Step 2: Convert to fraction form
    113,087.64/169,636.17 = 38,215.40/x
  3. Step 3: Cross multiply
    113,087.64x = 169,636.17 × 38,215.40
  4. Step 4: Simplify right side
    113,087.64x = 6,482,713,386.14
  5. Step 5: Solve for x
    x = 6,482,713,386.14/113,087.64
  6. Step 6: Final answer
    x = 57,324.68

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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.