Home / 111,726.48-154,160.44-62,669.68

Finding the Fourth Proportional to 111,726.48, 154,160.44 and 62,669.68

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Solution

The fourth proportional to 111,726.48, 154,160.44 and 62,669.68 is: 86,471.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,726.48 : 154,160.44 = 62,669.68 : x
  2. Step 2: Convert to fraction form
    111,726.48/154,160.44 = 62,669.68/x
  3. Step 3: Cross multiply
    111,726.48x = 154,160.44 × 62,669.68
  4. Step 4: Simplify right side
    111,726.48x = 9,661,185,443.46
  5. Step 5: Solve for x
    x = 9,661,185,443.46/111,726.48
  6. Step 6: Final answer
    x = 86,471.76

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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.