Home / 117,521.03-176,351.60-42,647.02

Finding the Fourth Proportional to 117,521.03, 176,351.60 and 42,647.02

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Solution

The fourth proportional to 117,521.03, 176,351.60 and 42,647.02 is: 63,995.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,521.03 : 176,351.60 = 42,647.02 : x
  2. Step 2: Convert to fraction form
    117,521.03/176,351.60 = 42,647.02/x
  3. Step 3: Cross multiply
    117,521.03x = 176,351.60 × 42,647.02
  4. Step 4: Simplify right side
    117,521.03x = 7,520,870,212.23
  5. Step 5: Solve for x
    x = 7,520,870,212.23/117,521.03
  6. Step 6: Final answer
    x = 63,995.95

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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.