Home / 67,514.22-93,177.54-40,670.28

Finding the Fourth Proportional to 67,514.22, 93,177.54 and 40,670.28

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Solution

The fourth proportional to 67,514.22, 93,177.54 and 40,670.28 is: 56,129.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,514.22 : 93,177.54 = 40,670.28 : x
  2. Step 2: Convert to fraction form
    67,514.22/93,177.54 = 40,670.28/x
  3. Step 3: Cross multiply
    67,514.22x = 93,177.54 × 40,670.28
  4. Step 4: Simplify right side
    67,514.22x = 3,789,556,641.51
  5. Step 5: Solve for x
    x = 3,789,556,641.51/67,514.22
  6. Step 6: Final answer
    x = 56,129.76

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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.