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Finding the Fourth Proportional to 60,699.60, 83,763.81 and 35,204.36

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Solution

The fourth proportional to 60,699.60, 83,763.81 and 35,204.36 is: 48,581.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,699.60 : 83,763.81 = 35,204.36 : x
  2. Step 2: Convert to fraction form
    60,699.60/83,763.81 = 35,204.36/x
  3. Step 3: Cross multiply
    60,699.60x = 83,763.81 × 35,204.36
  4. Step 4: Simplify right side
    60,699.60x = 2,948,850,903.39
  5. Step 5: Solve for x
    x = 2,948,850,903.39/60,699.60
  6. Step 6: Final answer
    x = 48,581.06

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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.