Home / 56,587.10-78,092.30-33,929.78

Finding the Fourth Proportional to 56,587.10, 78,092.30 and 33,929.78

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Solution

The fourth proportional to 56,587.10, 78,092.30 and 33,929.78 is: 46,824.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,587.10 : 78,092.30 = 33,929.78 : x
  2. Step 2: Convert to fraction form
    56,587.10/78,092.30 = 33,929.78/x
  3. Step 3: Cross multiply
    56,587.10x = 78,092.30 × 33,929.78
  4. Step 4: Simplify right side
    56,587.10x = 2,649,654,253.06
  5. Step 5: Solve for x
    x = 2,649,654,253.06/56,587.10
  6. Step 6: Final answer
    x = 46,824.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.