Home / 47,113.28-70,626-15,926.88

Finding the Fourth Proportional to 47,113.28, 70,626 and 15,926.88

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Solution

The fourth proportional to 47,113.28, 70,626 and 15,926.88 is: 23,875.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,113.28 : 70,626 = 15,926.88 : x
  2. Step 2: Convert to fraction form
    47,113.28/70,626 = 15,926.88/x
  3. Step 3: Cross multiply
    47,113.28x = 70,626 × 15,926.88
  4. Step 4: Simplify right side
    47,113.28x = 1,124,851,826.88
  5. Step 5: Solve for x
    x = 1,124,851,826.88/47,113.28
  6. Step 6: Final answer
    x = 23,875.47

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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.