Home / 113,085.10-169,627.65-54,036.10

Finding the Fourth Proportional to 113,085.10, 169,627.65 and 54,036.10

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Solution

The fourth proportional to 113,085.10, 169,627.65 and 54,036.10 is: 81,054.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,085.10 : 169,627.65 = 54,036.10 : x
  2. Step 2: Convert to fraction form
    113,085.10/169,627.65 = 54,036.10/x
  3. Step 3: Cross multiply
    113,085.10x = 169,627.65 × 54,036.10
  4. Step 4: Simplify right side
    113,085.10x = 9,166,016,658.17
  5. Step 5: Solve for x
    x = 9,166,016,658.17/113,085.10
  6. Step 6: Final answer
    x = 81,054.15

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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.