Home / 47,141.40-70,712.10-17,551.20

Finding the Fourth Proportional to 47,141.40, 70,712.10 and 17,551.20

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Solution

The fourth proportional to 47,141.40, 70,712.10 and 17,551.20 is: 26,326.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,141.40 : 70,712.10 = 17,551.20 : x
  2. Step 2: Convert to fraction form
    47,141.40/70,712.10 = 17,551.20/x
  3. Step 3: Cross multiply
    47,141.40x = 70,712.10 × 17,551.20
  4. Step 4: Simplify right side
    47,141.40x = 1,241,082,209.52
  5. Step 5: Solve for x
    x = 1,241,082,209.52/47,141.40
  6. Step 6: Final answer
    x = 26,326.80

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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.