Home / 104,058.06-156,023.89-40,802.40

Finding the Fourth Proportional to 104,058.06, 156,023.89 and 40,802.40

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Solution

The fourth proportional to 104,058.06, 156,023.89 and 40,802.40 is: 61,178.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,058.06 : 156,023.89 = 40,802.40 : x
  2. Step 2: Convert to fraction form
    104,058.06/156,023.89 = 40,802.40/x
  3. Step 3: Cross multiply
    104,058.06x = 156,023.89 × 40,802.40
  4. Step 4: Simplify right side
    104,058.06x = 6,366,149,067.33
  5. Step 5: Solve for x
    x = 6,366,149,067.33/104,058.06
  6. Step 6: Final answer
    x = 61,178.82

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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.