Home / 52,442.08-78,642.24-19,154.56

Finding the Fourth Proportional to 52,442.08, 78,642.24 and 19,154.56

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Solution

The fourth proportional to 52,442.08, 78,642.24 and 19,154.56 is: 28,724.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,442.08 : 78,642.24 = 19,154.56 : x
  2. Step 2: Convert to fraction form
    52,442.08/78,642.24 = 19,154.56/x
  3. Step 3: Cross multiply
    52,442.08x = 78,642.24 × 19,154.56
  4. Step 4: Simplify right side
    52,442.08x = 1,506,357,504.61
  5. Step 5: Solve for x
    x = 1,506,357,504.61/52,442.08
  6. Step 6: Final answer
    x = 28,724.21

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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.