Home / 75,446.09-104,076.56-51,248.30

Finding the Fourth Proportional to 75,446.09, 104,076.56 and 51,248.30

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Solution

The fourth proportional to 75,446.09, 104,076.56 and 51,248.30 is: 70,696.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,446.09 : 104,076.56 = 51,248.30 : x
  2. Step 2: Convert to fraction form
    75,446.09/104,076.56 = 51,248.30/x
  3. Step 3: Cross multiply
    75,446.09x = 104,076.56 × 51,248.30
  4. Step 4: Simplify right side
    75,446.09x = 5,333,746,769.85
  5. Step 5: Solve for x
    x = 5,333,746,769.85/75,446.09
  6. Step 6: Final answer
    x = 70,696.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.