Home / 64,449.26-96,669.99-38,320.28

Finding the Fourth Proportional to 64,449.26, 96,669.99 and 38,320.28

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Solution

The fourth proportional to 64,449.26, 96,669.99 and 38,320.28 is: 57,478.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,449.26 : 96,669.99 = 38,320.28 : x
  2. Step 2: Convert to fraction form
    64,449.26/96,669.99 = 38,320.28/x
  3. Step 3: Cross multiply
    64,449.26x = 96,669.99 × 38,320.28
  4. Step 4: Simplify right side
    64,449.26x = 3,704,421,084.40
  5. Step 5: Solve for x
    x = 3,704,421,084.40/64,449.26
  6. Step 6: Final answer
    x = 57,478.10

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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.