Home / 117,594.28-162,280.62-63,880.20

Finding the Fourth Proportional to 117,594.28, 162,280.62 and 63,880.20

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Solution

The fourth proportional to 117,594.28, 162,280.62 and 63,880.20 is: 88,154.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,594.28 : 162,280.62 = 63,880.20 : x
  2. Step 2: Convert to fraction form
    117,594.28/162,280.62 = 63,880.20/x
  3. Step 3: Cross multiply
    117,594.28x = 162,280.62 × 63,880.20
  4. Step 4: Simplify right side
    117,594.28x = 10,366,518,461.72
  5. Step 5: Solve for x
    x = 10,366,518,461.72/117,594.28
  6. Step 6: Final answer
    x = 88,154.96

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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.