Home / 48,472.40-72,712.20-17,303.60

Finding the Fourth Proportional to 48,472.40, 72,712.20 and 17,303.60

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Solution

The fourth proportional to 48,472.40, 72,712.20 and 17,303.60 is: 25,956.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,472.40 : 72,712.20 = 17,303.60 : x
  2. Step 2: Convert to fraction form
    48,472.40/72,712.20 = 17,303.60/x
  3. Step 3: Cross multiply
    48,472.40x = 72,712.20 × 17,303.60
  4. Step 4: Simplify right side
    48,472.40x = 1,258,182,823.92
  5. Step 5: Solve for x
    x = 1,258,182,823.92/48,472.40
  6. Step 6: Final answer
    x = 25,956.69

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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.