Home / 117,740.62-176,658.09-42,865.94

Finding the Fourth Proportional to 117,740.62, 176,658.09 and 42,865.94

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Solution

The fourth proportional to 117,740.62, 176,658.09 and 42,865.94 is: 64,316.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,740.62 : 176,658.09 = 42,865.94 : x
  2. Step 2: Convert to fraction form
    117,740.62/176,658.09 = 42,865.94/x
  3. Step 3: Cross multiply
    117,740.62x = 176,658.09 × 42,865.94
  4. Step 4: Simplify right side
    117,740.62x = 7,572,615,528.10
  5. Step 5: Solve for x
    x = 7,572,615,528.10/117,740.62
  6. Step 6: Final answer
    x = 64,316.08

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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.