Home / 71,041.15-98,029.81-39,207.99

Finding the Fourth Proportional to 71,041.15, 98,029.81 and 39,207.99

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Solution

The fourth proportional to 71,041.15, 98,029.81 and 39,207.99 is: 54,103.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,041.15 : 98,029.81 = 39,207.99 : x
  2. Step 2: Convert to fraction form
    71,041.15/98,029.81 = 39,207.99/x
  3. Step 3: Cross multiply
    71,041.15x = 98,029.81 × 39,207.99
  4. Step 4: Simplify right side
    71,041.15x = 3,843,551,810.18
  5. Step 5: Solve for x
    x = 3,843,551,810.18/71,041.15
  6. Step 6: Final answer
    x = 54,103.18

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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.