Home / 55,930.19-83,928.08-40,118.18

Finding the Fourth Proportional to 55,930.19, 83,928.08 and 40,118.18

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Solution

The fourth proportional to 55,930.19, 83,928.08 and 40,118.18 is: 60,200.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,930.19 : 83,928.08 = 40,118.18 : x
  2. Step 2: Convert to fraction form
    55,930.19/83,928.08 = 40,118.18/x
  3. Step 3: Cross multiply
    55,930.19x = 83,928.08 × 40,118.18
  4. Step 4: Simplify right side
    55,930.19x = 3,367,041,501.15
  5. Step 5: Solve for x
    x = 3,367,041,501.15/55,930.19
  6. Step 6: Final answer
    x = 60,200.79

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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.