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Finding the Fourth Proportional to 64,293.68, 88,732.86 and 35,993.90

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Solution

The fourth proportional to 64,293.68, 88,732.86 and 35,993.90 is: 49,675.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,293.68 : 88,732.86 = 35,993.90 : x
  2. Step 2: Convert to fraction form
    64,293.68/88,732.86 = 35,993.90/x
  3. Step 3: Cross multiply
    64,293.68x = 88,732.86 × 35,993.90
  4. Step 4: Simplify right side
    64,293.68x = 3,193,841,689.55
  5. Step 5: Solve for x
    x = 3,193,841,689.55/64,293.68
  6. Step 6: Final answer
    x = 49,675.83

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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.