Home / 64,350.87-96,487.28-28,805.64

Finding the Fourth Proportional to 64,350.87, 96,487.28 and 28,805.64

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Solution

The fourth proportional to 64,350.87, 96,487.28 and 28,805.64 is: 43,190.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,350.87 : 96,487.28 = 28,805.64 : x
  2. Step 2: Convert to fraction form
    64,350.87/96,487.28 = 28,805.64/x
  3. Step 3: Cross multiply
    64,350.87x = 96,487.28 × 28,805.64
  4. Step 4: Simplify right side
    64,350.87x = 2,779,377,852.26
  5. Step 5: Solve for x
    x = 2,779,377,852.26/64,350.87
  6. Step 6: Final answer
    x = 43,190.99

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1.5x scale

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.