Home / 104,058.13-156,023.99-40,802.47

Finding the Fourth Proportional to 104,058.13, 156,023.99 and 40,802.47

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Solution

The fourth proportional to 104,058.13, 156,023.99 and 40,802.47 is: 61,178.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,058.13 : 156,023.99 = 40,802.47 : x
  2. Step 2: Convert to fraction form
    104,058.13/156,023.99 = 40,802.47/x
  3. Step 3: Cross multiply
    104,058.13x = 156,023.99 × 40,802.47
  4. Step 4: Simplify right side
    104,058.13x = 6,366,163,187.12
  5. Step 5: Solve for x
    x = 6,366,163,187.12/104,058.13
  6. Step 6: Final answer
    x = 61,178.91

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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.