Home / 117,769.07-176,700.86-42,894.39

Finding the Fourth Proportional to 117,769.07, 176,700.86 and 42,894.39

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Solution

The fourth proportional to 117,769.07, 176,700.86 and 42,894.39 is: 64,358.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,769.07 : 176,700.86 = 42,894.39 : x
  2. Step 2: Convert to fraction form
    117,769.07/176,700.86 = 42,894.39/x
  3. Step 3: Cross multiply
    117,769.07x = 176,700.86 × 42,894.39
  4. Step 4: Simplify right side
    117,769.07x = 7,579,476,211.19
  5. Step 5: Solve for x
    x = 7,579,476,211.19/117,769.07
  6. Step 6: Final answer
    x = 64,358.80

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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.