Home / 64,195.65-96,316.29-28,653.75

Finding the Fourth Proportional to 64,195.65, 96,316.29 and 28,653.75

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Solution

The fourth proportional to 64,195.65, 96,316.29 and 28,653.75 is: 42,990.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,195.65 : 96,316.29 = 28,653.75 : x
  2. Step 2: Convert to fraction form
    64,195.65/96,316.29 = 28,653.75/x
  3. Step 3: Cross multiply
    64,195.65x = 96,316.29 × 28,653.75
  4. Step 4: Simplify right side
    64,195.65x = 2,759,822,894.59
  5. Step 5: Solve for x
    x = 2,759,822,894.59/64,195.65
  6. Step 6: Final answer
    x = 42,990.81

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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.