Home / 64,255.60-96,342.24-30,909.28

Finding the Fourth Proportional to 64,255.60, 96,342.24 and 30,909.28

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Solution

The fourth proportional to 64,255.60, 96,342.24 and 30,909.28 is: 46,344.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,255.60 : 96,342.24 = 30,909.28 : x
  2. Step 2: Convert to fraction form
    64,255.60/96,342.24 = 30,909.28/x
  3. Step 3: Cross multiply
    64,255.60x = 96,342.24 × 30,909.28
  4. Step 4: Simplify right side
    64,255.60x = 2,977,869,271.99
  5. Step 5: Solve for x
    x = 2,977,869,271.99/64,255.60
  6. Step 6: Final answer
    x = 46,344.12

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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.