Home / 69,911.16-96,478.60-38,079.96

Finding the Fourth Proportional to 69,911.16, 96,478.60 and 38,079.96

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Solution

The fourth proportional to 69,911.16, 96,478.60 and 38,079.96 is: 52,551.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,911.16 : 96,478.60 = 38,079.96 : x
  2. Step 2: Convert to fraction form
    69,911.16/96,478.60 = 38,079.96/x
  3. Step 3: Cross multiply
    69,911.16x = 96,478.60 × 38,079.96
  4. Step 4: Simplify right side
    69,911.16x = 3,673,901,228.86
  5. Step 5: Solve for x
    x = 3,673,901,228.86/69,911.16
  6. Step 6: Final answer
    x = 52,551.00

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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.