Home / 47,145.60-70,710.30-17,548.20

Finding the Fourth Proportional to 47,145.60, 70,710.30 and 17,548.20

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Solution

The fourth proportional to 47,145.60, 70,710.30 and 17,548.20 is: 26,319.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,145.60 : 70,710.30 = 17,548.20 : x
  2. Step 2: Convert to fraction form
    47,145.60/70,710.30 = 17,548.20/x
  3. Step 3: Cross multiply
    47,145.60x = 70,710.30 × 17,548.20
  4. Step 4: Simplify right side
    47,145.60x = 1,240,838,486.46
  5. Step 5: Solve for x
    x = 1,240,838,486.46/47,145.60
  6. Step 6: Final answer
    x = 26,319.29

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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.