Home / 84,726.66-127,001.31-28,547.36

Finding the Fourth Proportional to 84,726.66, 127,001.31 and 28,547.36

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Solution

The fourth proportional to 84,726.66, 127,001.31 and 28,547.36 is: 42,791.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,726.66 : 127,001.31 = 28,547.36 : x
  2. Step 2: Convert to fraction form
    84,726.66/127,001.31 = 28,547.36/x
  3. Step 3: Cross multiply
    84,726.66x = 127,001.31 × 28,547.36
  4. Step 4: Simplify right side
    84,726.66x = 3,625,552,117.04
  5. Step 5: Solve for x
    x = 3,625,552,117.04/84,726.66
  6. Step 6: Final answer
    x = 42,791.16

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.