Home / 55,007.10-82,360.80-28,656.18

Finding the Fourth Proportional to 55,007.10, 82,360.80 and 28,656.18

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Solution

The fourth proportional to 55,007.10, 82,360.80 and 28,656.18 is: 42,906.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,007.10 : 82,360.80 = 28,656.18 : x
  2. Step 2: Convert to fraction form
    55,007.10/82,360.80 = 28,656.18/x
  3. Step 3: Cross multiply
    55,007.10x = 82,360.80 × 28,656.18
  4. Step 4: Simplify right side
    55,007.10x = 2,360,145,909.74
  5. Step 5: Solve for x
    x = 2,360,145,909.74/55,007.10
  6. Step 6: Final answer
    x = 42,906.21

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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.