Home / 56,201.65-77,556.02-30,707.37

Finding the Fourth Proportional to 56,201.65, 77,556.02 and 30,707.37

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Solution

The fourth proportional to 56,201.65, 77,556.02 and 30,707.37 is: 42,374.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,201.65 : 77,556.02 = 30,707.37 : x
  2. Step 2: Convert to fraction form
    56,201.65/77,556.02 = 30,707.37/x
  3. Step 3: Cross multiply
    56,201.65x = 77,556.02 × 30,707.37
  4. Step 4: Simplify right side
    56,201.65x = 2,381,541,248.33
  5. Step 5: Solve for x
    x = 2,381,541,248.33/56,201.65
  6. Step 6: Final answer
    x = 42,374.94

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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.