Home / 87,747.04-121,088.64-50,020.48

Finding the Fourth Proportional to 87,747.04, 121,088.64 and 50,020.48

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Solution

The fourth proportional to 87,747.04, 121,088.64 and 50,020.48 is: 69,026.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,747.04 : 121,088.64 = 50,020.48 : x
  2. Step 2: Convert to fraction form
    87,747.04/121,088.64 = 50,020.48/x
  3. Step 3: Cross multiply
    87,747.04x = 121,088.64 × 50,020.48
  4. Step 4: Simplify right side
    87,747.04x = 6,056,911,895.35
  5. Step 5: Solve for x
    x = 6,056,911,895.35/87,747.04
  6. Step 6: Final answer
    x = 69,026.97

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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.