Home / 69,621.60-96,078.29-37,790.49

Finding the Fourth Proportional to 69,621.60, 96,078.29 and 37,790.49

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Solution

The fourth proportional to 69,621.60, 96,078.29 and 37,790.49 is: 52,151.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,621.60 : 96,078.29 = 37,790.49 : x
  2. Step 2: Convert to fraction form
    69,621.60/96,078.29 = 37,790.49/x
  3. Step 3: Cross multiply
    69,621.60x = 96,078.29 × 37,790.49
  4. Step 4: Simplify right side
    69,621.60x = 3,630,845,657.46
  5. Step 5: Solve for x
    x = 3,630,845,657.46/69,621.60
  6. Step 6: Final answer
    x = 52,151.14

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.