Home / 56,781.08-78,354.08-32,903.48

Finding the Fourth Proportional to 56,781.08, 78,354.08 and 32,903.48

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Solution

The fourth proportional to 56,781.08, 78,354.08 and 32,903.48 is: 45,404.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,781.08 : 78,354.08 = 32,903.48 : x
  2. Step 2: Convert to fraction form
    56,781.08/78,354.08 = 32,903.48/x
  3. Step 3: Cross multiply
    56,781.08x = 78,354.08 × 32,903.48
  4. Step 4: Simplify right side
    56,781.08x = 2,578,121,904.20
  5. Step 5: Solve for x
    x = 2,578,121,904.20/56,781.08
  6. Step 6: Final answer
    x = 45,404.59

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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.