Home / 115,016.61-158,726.44-62,632.05

Finding the Fourth Proportional to 115,016.61, 158,726.44 and 62,632.05

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Solution

The fourth proportional to 115,016.61, 158,726.44 and 62,632.05 is: 86,434.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,016.61 : 158,726.44 = 62,632.05 : x
  2. Step 2: Convert to fraction form
    115,016.61/158,726.44 = 62,632.05/x
  3. Step 3: Cross multiply
    115,016.61x = 158,726.44 × 62,632.05
  4. Step 4: Simplify right side
    115,016.61x = 9,941,361,809.47
  5. Step 5: Solve for x
    x = 9,941,361,809.47/115,016.61
  6. Step 6: Final answer
    x = 86,434.14

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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.