Home / 87,880.44-121,275.45-47,594.28

Finding the Fourth Proportional to 87,880.44, 121,275.45 and 47,594.28

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Solution

The fourth proportional to 87,880.44, 121,275.45 and 47,594.28 is: 65,680.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,880.44 : 121,275.45 = 47,594.28 : x
  2. Step 2: Convert to fraction form
    87,880.44/121,275.45 = 47,594.28/x
  3. Step 3: Cross multiply
    87,880.44x = 121,275.45 × 47,594.28
  4. Step 4: Simplify right side
    87,880.44x = 5,772,017,724.43
  5. Step 5: Solve for x
    x = 5,772,017,724.43/87,880.44
  6. Step 6: Final answer
    x = 65,680.35

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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.