Home / 87,594.34-120,880.18-47,308.11

Finding the Fourth Proportional to 87,594.34, 120,880.18 and 47,308.11

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Solution

The fourth proportional to 87,594.34, 120,880.18 and 47,308.11 is: 65,285.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,594.34 : 120,880.18 = 47,308.11 : x
  2. Step 2: Convert to fraction form
    87,594.34/120,880.18 = 47,308.11/x
  3. Step 3: Cross multiply
    87,594.34x = 120,880.18 × 47,308.11
  4. Step 4: Simplify right side
    87,594.34x = 5,718,612,852.26
  5. Step 5: Solve for x
    x = 5,718,612,852.26/87,594.34
  6. Step 6: Final answer
    x = 65,285.19

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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.