Home / 56,937.32-78,573.91-31,442.97

Finding the Fourth Proportional to 56,937.32, 78,573.91 and 31,442.97

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Solution

The fourth proportional to 56,937.32, 78,573.91 and 31,442.97 is: 43,391.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,937.32 : 78,573.91 = 31,442.97 : x
  2. Step 2: Convert to fraction form
    56,937.32/78,573.91 = 31,442.97/x
  3. Step 3: Cross multiply
    56,937.32x = 78,573.91 × 31,442.97
  4. Step 4: Simplify right side
    56,937.32x = 2,470,597,094.91
  5. Step 5: Solve for x
    x = 2,470,597,094.91/56,937.32
  6. Step 6: Final answer
    x = 43,391.52

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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.