Home / 113,085.28-169,627.94-38,205.64

Finding the Fourth Proportional to 113,085.28, 169,627.94 and 38,205.64

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Solution

The fourth proportional to 113,085.28, 169,627.94 and 38,205.64 is: 57,308.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,085.28 : 169,627.94 = 38,205.64 : x
  2. Step 2: Convert to fraction form
    113,085.28/169,627.94 = 38,205.64/x
  3. Step 3: Cross multiply
    113,085.28x = 169,627.94 × 38,205.64
  4. Step 4: Simplify right side
    113,085.28x = 6,480,744,009.58
  5. Step 5: Solve for x
    x = 6,480,744,009.58/113,085.28
  6. Step 6: Final answer
    x = 57,308.47

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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.