Home / 56,904.08-78,528.84-31,753.04

Finding the Fourth Proportional to 56,904.08, 78,528.84 and 31,753.04

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Solution

The fourth proportional to 56,904.08, 78,528.84 and 31,753.04 is: 43,819.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,904.08 : 78,528.84 = 31,753.04 : x
  2. Step 2: Convert to fraction form
    56,904.08/78,528.84 = 31,753.04/x
  3. Step 3: Cross multiply
    56,904.08x = 78,528.84 × 31,753.04
  4. Step 4: Simplify right side
    56,904.08x = 2,493,529,397.67
  5. Step 5: Solve for x
    x = 2,493,529,397.67/56,904.08
  6. Step 6: Final answer
    x = 43,819.87

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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.