Home / 113,851.54-157,120.38-62,871.46

Finding the Fourth Proportional to 113,851.54, 157,120.38 and 62,871.46

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Solution

The fourth proportional to 113,851.54, 157,120.38 and 62,871.46 is: 86,765.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,851.54 : 157,120.38 = 62,871.46 : x
  2. Step 2: Convert to fraction form
    113,851.54/157,120.38 = 62,871.46/x
  3. Step 3: Cross multiply
    113,851.54x = 157,120.38 × 62,871.46
  4. Step 4: Simplify right side
    113,851.54x = 9,878,387,686.35
  5. Step 5: Solve for x
    x = 9,878,387,686.35/113,851.54
  6. Step 6: Final answer
    x = 86,765.52

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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.