Home / 70,844.47-106,291.31-31,429.26

Finding the Fourth Proportional to 70,844.47, 106,291.31 and 31,429.26

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Solution

The fourth proportional to 70,844.47, 106,291.31 and 31,429.26 is: 47,154.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,844.47 : 106,291.31 = 31,429.26 : x
  2. Step 2: Convert to fraction form
    70,844.47/106,291.31 = 31,429.26/x
  3. Step 3: Cross multiply
    70,844.47x = 106,291.31 × 31,429.26
  4. Step 4: Simplify right side
    70,844.47x = 3,340,657,060.58
  5. Step 5: Solve for x
    x = 3,340,657,060.58/70,844.47
  6. Step 6: Final answer
    x = 47,154.81

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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.