Home / 117,621.76-176,435.52-34,518.40

Finding the Fourth Proportional to 117,621.76, 176,435.52 and 34,518.40

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Solution

The fourth proportional to 117,621.76, 176,435.52 and 34,518.40 is: 51,778.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,621.76 : 176,435.52 = 34,518.40 : x
  2. Step 2: Convert to fraction form
    117,621.76/176,435.52 = 34,518.40/x
  3. Step 3: Cross multiply
    117,621.76x = 176,435.52 × 34,518.40
  4. Step 4: Simplify right side
    117,621.76x = 6,090,271,853.57
  5. Step 5: Solve for x
    x = 6,090,271,853.57/117,621.76
  6. Step 6: Final answer
    x = 51,778.45

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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.