Home / 113,205.60-169,707.96-56,972.16

Finding the Fourth Proportional to 113,205.60, 169,707.96 and 56,972.16

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Solution

The fourth proportional to 113,205.60, 169,707.96 and 56,972.16 is: 85,407.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,205.60 : 169,707.96 = 56,972.16 : x
  2. Step 2: Convert to fraction form
    113,205.60/169,707.96 = 56,972.16/x
  3. Step 3: Cross multiply
    113,205.60x = 169,707.96 × 56,972.16
  4. Step 4: Simplify right side
    113,205.60x = 9,668,629,050.39
  5. Step 5: Solve for x
    x = 9,668,629,050.39/113,205.60
  6. Step 6: Final answer
    x = 85,407.69

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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.