Home / 54,565.95-81,848.78-15,123.11

Finding the Fourth Proportional to 54,565.95, 81,848.78 and 15,123.11

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Solution

The fourth proportional to 54,565.95, 81,848.78 and 15,123.11 is: 22,684.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,565.95 : 81,848.78 = 15,123.11 : x
  2. Step 2: Convert to fraction form
    54,565.95/81,848.78 = 15,123.11/x
  3. Step 3: Cross multiply
    54,565.95x = 81,848.78 × 15,123.11
  4. Step 4: Simplify right side
    54,565.95x = 1,237,807,675.16
  5. Step 5: Solve for x
    x = 1,237,807,675.16/54,565.95
  6. Step 6: Final answer
    x = 22,684.62

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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.