Home / 69,911.10-96,476.67-38,079.72

Finding the Fourth Proportional to 69,911.10, 96,476.67 and 38,079.72

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Solution

The fourth proportional to 69,911.10, 96,476.67 and 38,079.72 is: 52,549.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,911.10 : 96,476.67 = 38,079.72 : x
  2. Step 2: Convert to fraction form
    69,911.10/96,476.67 = 38,079.72/x
  3. Step 3: Cross multiply
    69,911.10x = 96,476.67 × 38,079.72
  4. Step 4: Simplify right side
    69,911.10x = 3,673,804,580.13
  5. Step 5: Solve for x
    x = 3,673,804,580.13/69,911.10
  6. Step 6: Final answer
    x = 52,549.66

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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.