Home / 55,292.11-76,279.05-35,138.19

Finding the Fourth Proportional to 55,292.11, 76,279.05 and 35,138.19

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Solution

The fourth proportional to 55,292.11, 76,279.05 and 35,138.19 is: 48,475.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,292.11 : 76,279.05 = 35,138.19 : x
  2. Step 2: Convert to fraction form
    55,292.11/76,279.05 = 35,138.19/x
  3. Step 3: Cross multiply
    55,292.11x = 76,279.05 × 35,138.19
  4. Step 4: Simplify right side
    55,292.11x = 2,680,307,751.92
  5. Step 5: Solve for x
    x = 2,680,307,751.92/55,292.11
  6. Step 6: Final answer
    x = 48,475.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.