Home / 48,441.60-66,660.48-42,865.92

Finding the Fourth Proportional to 48,441.60, 66,660.48 and 42,865.92

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Solution

The fourth proportional to 48,441.60, 66,660.48 and 42,865.92 is: 58,987.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,441.60 : 66,660.48 = 42,865.92 : x
  2. Step 2: Convert to fraction form
    48,441.60/66,660.48 = 42,865.92/x
  3. Step 3: Cross multiply
    48,441.60x = 66,660.48 × 42,865.92
  4. Step 4: Simplify right side
    48,441.60x = 2,857,462,802.84
  5. Step 5: Solve for x
    x = 2,857,462,802.84/48,441.60
  6. Step 6: Final answer
    x = 58,987.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.