Home / 87,859.54-121,264.05-59,574.34

Finding the Fourth Proportional to 87,859.54, 121,264.05 and 59,574.34

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Solution

The fourth proportional to 87,859.54, 121,264.05 and 59,574.34 is: 82,224.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,859.54 : 121,264.05 = 59,574.34 : x
  2. Step 2: Convert to fraction form
    87,859.54/121,264.05 = 59,574.34/x
  3. Step 3: Cross multiply
    87,859.54x = 121,264.05 × 59,574.34
  4. Step 4: Simplify right side
    87,859.54x = 7,224,225,744.48
  5. Step 5: Solve for x
    x = 7,224,225,744.48/87,859.54
  6. Step 6: Final answer
    x = 82,224.72

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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.