Home / 47,042.12-70,513.98-34,543.56

Finding the Fourth Proportional to 47,042.12, 70,513.98 and 34,543.56

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Solution

The fourth proportional to 47,042.12, 70,513.98 and 34,543.56 is: 51,779.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,042.12 : 70,513.98 = 34,543.56 : x
  2. Step 2: Convert to fraction form
    47,042.12/70,513.98 = 34,543.56/x
  3. Step 3: Cross multiply
    47,042.12x = 70,513.98 × 34,543.56
  4. Step 4: Simplify right side
    47,042.12x = 2,435,803,898.97
  5. Step 5: Solve for x
    x = 2,435,803,898.97/47,042.12
  6. Step 6: Final answer
    x = 51,779.21

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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.