Home / 67,696.02-101,547.81-20,945.25

Finding the Fourth Proportional to 67,696.02, 101,547.81 and 20,945.25

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Solution

The fourth proportional to 67,696.02, 101,547.81 and 20,945.25 is: 31,419.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,696.02 : 101,547.81 = 20,945.25 : x
  2. Step 2: Convert to fraction form
    67,696.02/101,547.81 = 20,945.25/x
  3. Step 3: Cross multiply
    67,696.02x = 101,547.81 × 20,945.25
  4. Step 4: Simplify right side
    67,696.02x = 2,126,944,267.40
  5. Step 5: Solve for x
    x = 2,126,944,267.40/67,696.02
  6. Step 6: Final answer
    x = 31,419.04

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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.