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Finding the Fourth Proportional to 64,089.69, 88,447.15 and 38,604.05

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Solution

The fourth proportional to 64,089.69, 88,447.15 and 38,604.05 is: 53,275.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,089.69 : 88,447.15 = 38,604.05 : x
  2. Step 2: Convert to fraction form
    64,089.69/88,447.15 = 38,604.05/x
  3. Step 3: Cross multiply
    64,089.69x = 88,447.15 × 38,604.05
  4. Step 4: Simplify right side
    64,089.69x = 3,414,418,412.84
  5. Step 5: Solve for x
    x = 3,414,418,412.84/64,089.69
  6. Step 6: Final answer
    x = 53,275.62

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1.5x scale

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.