Home / 48,125.18-72,153.48-18,518.06

Finding the Fourth Proportional to 48,125.18, 72,153.48 and 18,518.06

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Solution

The fourth proportional to 48,125.18, 72,153.48 and 18,518.06 is: 27,763.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,125.18 : 72,153.48 = 18,518.06 : x
  2. Step 2: Convert to fraction form
    48,125.18/72,153.48 = 18,518.06/x
  3. Step 3: Cross multiply
    48,125.18x = 72,153.48 × 18,518.06
  4. Step 4: Simplify right side
    48,125.18x = 1,336,142,471.85
  5. Step 5: Solve for x
    x = 1,336,142,471.85/48,125.18
  6. Step 6: Final answer
    x = 27,763.90

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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.