Home / 55,694.69-77,001.54-42,244.64

Finding the Fourth Proportional to 55,694.69, 77,001.54 and 42,244.64

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Solution

The fourth proportional to 55,694.69, 77,001.54 and 42,244.64 is: 58,405.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,694.69 : 77,001.54 = 42,244.64 : x
  2. Step 2: Convert to fraction form
    55,694.69/77,001.54 = 42,244.64/x
  3. Step 3: Cross multiply
    55,694.69x = 77,001.54 × 42,244.64
  4. Step 4: Simplify right side
    55,694.69x = 3,252,902,082.08
  5. Step 5: Solve for x
    x = 3,252,902,082.08/55,694.69
  6. Step 6: Final answer
    x = 58,405.97

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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.