Home / 87,967.06-121,393.08-49,726.00

Finding the Fourth Proportional to 87,967.06, 121,393.08 and 49,726.00

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Solution

The fourth proportional to 87,967.06, 121,393.08 and 49,726.00 is: 68,621.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,967.06 : 121,393.08 = 49,726.00 : x
  2. Step 2: Convert to fraction form
    87,967.06/121,393.08 = 49,726.00/x
  3. Step 3: Cross multiply
    87,967.06x = 121,393.08 × 49,726.00
  4. Step 4: Simplify right side
    87,967.06x = 6,036,392,447.82
  5. Step 5: Solve for x
    x = 6,036,392,447.82/87,967.06
  6. Step 6: Final answer
    x = 68,621.05

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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.