Home / 52,439.16-78,658.74-19,160.04

Finding the Fourth Proportional to 52,439.16, 78,658.74 and 19,160.04

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Solution

The fourth proportional to 52,439.16, 78,658.74 and 19,160.04 is: 28,740.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,439.16 : 78,658.74 = 19,160.04 : x
  2. Step 2: Convert to fraction form
    52,439.16/78,658.74 = 19,160.04/x
  3. Step 3: Cross multiply
    52,439.16x = 78,658.74 × 19,160.04
  4. Step 4: Simplify right side
    52,439.16x = 1,507,104,604.75
  5. Step 5: Solve for x
    x = 1,507,104,604.75/52,439.16
  6. Step 6: Final answer
    x = 28,740.06

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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.