Home / 64,281.33-96,445.08-28,739.61

Finding the Fourth Proportional to 64,281.33, 96,445.08 and 28,739.61

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Solution

The fourth proportional to 64,281.33, 96,445.08 and 28,739.61 is: 43,119.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,281.33 : 96,445.08 = 28,739.61 : x
  2. Step 2: Convert to fraction form
    64,281.33/96,445.08 = 28,739.61/x
  3. Step 3: Cross multiply
    64,281.33x = 96,445.08 × 28,739.61
  4. Step 4: Simplify right side
    64,281.33x = 2,771,793,985.62
  5. Step 5: Solve for x
    x = 2,771,793,985.62/64,281.33
  6. Step 6: Final answer
    x = 43,119.74

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.