Home / 55,521.15-83,287.56-18,084.14

Finding the Fourth Proportional to 55,521.15, 83,287.56 and 18,084.14

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Solution

The fourth proportional to 55,521.15, 83,287.56 and 18,084.14 is: 27,128.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,521.15 : 83,287.56 = 18,084.14 : x
  2. Step 2: Convert to fraction form
    55,521.15/83,287.56 = 18,084.14/x
  3. Step 3: Cross multiply
    55,521.15x = 83,287.56 × 18,084.14
  4. Step 4: Simplify right side
    55,521.15x = 1,506,184,148.73
  5. Step 5: Solve for x
    x = 1,506,184,148.73/55,521.15
  6. Step 6: Final answer
    x = 27,128.11

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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.