Home / 73,219.36-101,042.40-39,685.36

Finding the Fourth Proportional to 73,219.36, 101,042.40 and 39,685.36

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Solution

The fourth proportional to 73,219.36, 101,042.40 and 39,685.36 is: 54,765.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,219.36 : 101,042.40 = 39,685.36 : x
  2. Step 2: Convert to fraction form
    73,219.36/101,042.40 = 39,685.36/x
  3. Step 3: Cross multiply
    73,219.36x = 101,042.40 × 39,685.36
  4. Step 4: Simplify right side
    73,219.36x = 4,009,904,019.26
  5. Step 5: Solve for x
    x = 4,009,904,019.26/73,219.36
  6. Step 6: Final answer
    x = 54,765.63

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1.5x scale

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.