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Finding the Fourth Proportional to 64,258.52, 88,673.28 and 35,958.74

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Solution

The fourth proportional to 64,258.52, 88,673.28 and 35,958.74 is: 49,621.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,258.52 : 88,673.28 = 35,958.74 : x
  2. Step 2: Convert to fraction form
    64,258.52/88,673.28 = 35,958.74/x
  3. Step 3: Cross multiply
    64,258.52x = 88,673.28 × 35,958.74
  4. Step 4: Simplify right side
    64,258.52x = 3,188,579,420.47
  5. Step 5: Solve for x
    x = 3,188,579,420.47/64,258.52
  6. Step 6: Final answer
    x = 49,621.12

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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.