Home / 84,764.86-127,058.66-28,585.56

Finding the Fourth Proportional to 84,764.86, 127,058.66 and 28,585.56

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Solution

The fourth proportional to 84,764.86, 127,058.66 and 28,585.56 is: 42,848.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,764.86 : 127,058.66 = 28,585.56 : x
  2. Step 2: Convert to fraction form
    84,764.86/127,058.66 = 28,585.56/x
  3. Step 3: Cross multiply
    84,764.86x = 127,058.66 × 28,585.56
  4. Step 4: Simplify right side
    84,764.86x = 3,632,042,948.95
  5. Step 5: Solve for x
    x = 3,632,042,948.95/84,764.86
  6. Step 6: Final answer
    x = 42,848.45

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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.