Home / 71,040.42-98,036.46-39,210.66

Finding the Fourth Proportional to 71,040.42, 98,036.46 and 39,210.66

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Solution

The fourth proportional to 71,040.42, 98,036.46 and 39,210.66 is: 54,111.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,040.42 : 98,036.46 = 39,210.66 : x
  2. Step 2: Convert to fraction form
    71,040.42/98,036.46 = 39,210.66/x
  3. Step 3: Cross multiply
    71,040.42x = 98,036.46 × 39,210.66
  4. Step 4: Simplify right side
    71,040.42x = 3,844,074,300.66
  5. Step 5: Solve for x
    x = 3,844,074,300.66/71,040.42
  6. Step 6: Final answer
    x = 54,111.09

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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.