Home / 48,348.78-72,543.96-26,178

Finding the Fourth Proportional to 48,348.78, 72,543.96 and 26,178

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Solution

The fourth proportional to 48,348.78, 72,543.96 and 26,178 is: 39,278.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,348.78 : 72,543.96 = 26,178 : x
  2. Step 2: Convert to fraction form
    48,348.78/72,543.96 = 26,178/x
  3. Step 3: Cross multiply
    48,348.78x = 72,543.96 × 26,178
  4. Step 4: Simplify right side
    48,348.78x = 1,899,055,784.88
  5. Step 5: Solve for x
    x = 1,899,055,784.88/48,348.78
  6. Step 6: Final answer
    x = 39,278.26

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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.