Home / 48,206.01-72,306.90-13,145.55

Finding the Fourth Proportional to 48,206.01, 72,306.90 and 13,145.55

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Solution

The fourth proportional to 48,206.01, 72,306.90 and 13,145.55 is: 19,717.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,206.01 : 72,306.90 = 13,145.55 : x
  2. Step 2: Convert to fraction form
    48,206.01/72,306.90 = 13,145.55/x
  3. Step 3: Cross multiply
    48,206.01x = 72,306.90 × 13,145.55
  4. Step 4: Simplify right side
    48,206.01x = 950,513,969.30
  5. Step 5: Solve for x
    x = 950,513,969.30/48,206.01
  6. Step 6: Final answer
    x = 19,717.75

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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.