Home / 48,089.12-72,134.49-21,794.09

Finding the Fourth Proportional to 48,089.12, 72,134.49 and 21,794.09

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Solution

The fourth proportional to 48,089.12, 72,134.49 and 21,794.09 is: 32,691.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,089.12 : 72,134.49 = 21,794.09 : x
  2. Step 2: Convert to fraction form
    48,089.12/72,134.49 = 21,794.09/x
  3. Step 3: Cross multiply
    48,089.12x = 72,134.49 × 21,794.09
  4. Step 4: Simplify right side
    48,089.12x = 1,572,105,567.16
  5. Step 5: Solve for x
    x = 1,572,105,567.16/48,089.12
  6. Step 6: Final answer
    x = 32,691.50

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1.5x scale

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.