Home / 48,999.20-73,498.80-13,934.30

Finding the Fourth Proportional to 48,999.20, 73,498.80 and 13,934.30

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Solution

The fourth proportional to 48,999.20, 73,498.80 and 13,934.30 is: 20,901.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,999.20 : 73,498.80 = 13,934.30 : x
  2. Step 2: Convert to fraction form
    48,999.20/73,498.80 = 13,934.30/x
  3. Step 3: Cross multiply
    48,999.20x = 73,498.80 × 13,934.30
  4. Step 4: Simplify right side
    48,999.20x = 1,024,154,328.84
  5. Step 5: Solve for x
    x = 1,024,154,328.84/48,999.20
  6. Step 6: Final answer
    x = 20,901.45

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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.