Home / 86,578.02-129,768.60-36,626.94

Finding the Fourth Proportional to 86,578.02, 129,768.60 and 36,626.94

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Solution

The fourth proportional to 86,578.02, 129,768.60 and 36,626.94 is: 54,898.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,578.02 : 129,768.60 = 36,626.94 : x
  2. Step 2: Convert to fraction form
    86,578.02/129,768.60 = 36,626.94/x
  3. Step 3: Cross multiply
    86,578.02x = 129,768.60 × 36,626.94
  4. Step 4: Simplify right side
    86,578.02x = 4,753,026,726.08
  5. Step 5: Solve for x
    x = 4,753,026,726.08/86,578.02
  6. Step 6: Final answer
    x = 54,898.77

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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.