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Finding the Fourth Proportional to 64,104.46, 88,465.56 and 35,810.20

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Solution

The fourth proportional to 64,104.46, 88,465.56 and 35,810.20 is: 49,418.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,104.46 : 88,465.56 = 35,810.20 : x
  2. Step 2: Convert to fraction form
    64,104.46/88,465.56 = 35,810.20/x
  3. Step 3: Cross multiply
    64,104.46x = 88,465.56 × 35,810.20
  4. Step 4: Simplify right side
    64,104.46x = 3,167,969,396.71
  5. Step 5: Solve for x
    x = 3,167,969,396.71/64,104.46
  6. Step 6: Final answer
    x = 49,418.86

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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.