Home / 47,341.20-71,011.80-35,531.40

Finding the Fourth Proportional to 47,341.20, 71,011.80 and 35,531.40

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Solution

The fourth proportional to 47,341.20, 71,011.80 and 35,531.40 is: 53,297.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,341.20 : 71,011.80 = 35,531.40 : x
  2. Step 2: Convert to fraction form
    47,341.20/71,011.80 = 35,531.40/x
  3. Step 3: Cross multiply
    47,341.20x = 71,011.80 × 35,531.40
  4. Step 4: Simplify right side
    47,341.20x = 2,523,148,670.52
  5. Step 5: Solve for x
    x = 2,523,148,670.52/47,341.20
  6. Step 6: Final answer
    x = 53,297.10

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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.