Home / 56,710.15-85,117.76-28,649.97

Finding the Fourth Proportional to 56,710.15, 85,117.76 and 28,649.97

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Solution

The fourth proportional to 56,710.15, 85,117.76 and 28,649.97 is: 43,001.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,710.15 : 85,117.76 = 28,649.97 : x
  2. Step 2: Convert to fraction form
    56,710.15/85,117.76 = 28,649.97/x
  3. Step 3: Cross multiply
    56,710.15x = 85,117.76 × 28,649.97
  4. Step 4: Simplify right side
    56,710.15x = 2,438,621,234.65
  5. Step 5: Solve for x
    x = 2,438,621,234.65/56,710.15
  6. Step 6: Final answer
    x = 43,001.50

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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.