Home / 48,412.20-72,618.30-47,116.20

Finding the Fourth Proportional to 48,412.20, 72,618.30 and 47,116.20

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Solution

The fourth proportional to 48,412.20, 72,618.30 and 47,116.20 is: 70,674.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,412.20 : 72,618.30 = 47,116.20 : x
  2. Step 2: Convert to fraction form
    48,412.20/72,618.30 = 47,116.20/x
  3. Step 3: Cross multiply
    48,412.20x = 72,618.30 × 47,116.20
  4. Step 4: Simplify right side
    48,412.20x = 3,421,498,346.46
  5. Step 5: Solve for x
    x = 3,421,498,346.46/48,412.20
  6. Step 6: Final answer
    x = 70,674.30

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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.