Home / 64,438.02-88,928.55-36,147.96

Finding the Fourth Proportional to 64,438.02, 88,928.55 and 36,147.96

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Solution

The fourth proportional to 64,438.02, 88,928.55 and 36,147.96 is: 49,886.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,438.02 : 88,928.55 = 36,147.96 : x
  2. Step 2: Convert to fraction form
    64,438.02/88,928.55 = 36,147.96/x
  3. Step 3: Cross multiply
    64,438.02x = 88,928.55 × 36,147.96
  4. Step 4: Simplify right side
    64,438.02x = 3,214,585,668.26
  5. Step 5: Solve for x
    x = 3,214,585,668.26/64,438.02
  6. Step 6: Final answer
    x = 49,886.47

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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.