Home / 44,972.40-67,456.12-13,807.64

Finding the Fourth Proportional to 44,972.40, 67,456.12 and 13,807.64

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Solution

The fourth proportional to 44,972.40, 67,456.12 and 13,807.64 is: 20,710.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,972.40 : 67,456.12 = 13,807.64 : x
  2. Step 2: Convert to fraction form
    44,972.40/67,456.12 = 13,807.64/x
  3. Step 3: Cross multiply
    44,972.40x = 67,456.12 × 13,807.64
  4. Step 4: Simplify right side
    44,972.40x = 931,409,820.76
  5. Step 5: Solve for x
    x = 931,409,820.76/44,972.40
  6. Step 6: Final answer
    x = 20,710.70

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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.