Home / 56,897.76-85,336.32-15,335.04

Finding the Fourth Proportional to 56,897.76, 85,336.32 and 15,335.04

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Solution

The fourth proportional to 56,897.76, 85,336.32 and 15,335.04 is: 22,999.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,897.76 : 85,336.32 = 15,335.04 : x
  2. Step 2: Convert to fraction form
    56,897.76/85,336.32 = 15,335.04/x
  3. Step 3: Cross multiply
    56,897.76x = 85,336.32 × 15,335.04
  4. Step 4: Simplify right side
    56,897.76x = 1,308,635,880.65
  5. Step 5: Solve for x
    x = 1,308,635,880.65/56,897.76
  6. Step 6: Final answer
    x = 22,999.78

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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.