Home / 71,161.02-98,196.30-39,329.91

Finding the Fourth Proportional to 71,161.02, 98,196.30 and 39,329.91

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Solution

The fourth proportional to 71,161.02, 98,196.30 and 39,329.91 is: 54,272.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,161.02 : 98,196.30 = 39,329.91 : x
  2. Step 2: Convert to fraction form
    71,161.02/98,196.30 = 39,329.91/x
  3. Step 3: Cross multiply
    71,161.02x = 98,196.30 × 39,329.91
  4. Step 4: Simplify right side
    71,161.02x = 3,862,051,641.33
  5. Step 5: Solve for x
    x = 3,862,051,641.33/71,161.02
  6. Step 6: Final answer
    x = 54,272.01

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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.