Home / 77,329.20-106,765.71-59,392.14

Finding the Fourth Proportional to 77,329.20, 106,765.71 and 59,392.14

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Solution

The fourth proportional to 77,329.20, 106,765.71 and 59,392.14 is: 82,000.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,329.20 : 106,765.71 = 59,392.14 : x
  2. Step 2: Convert to fraction form
    77,329.20/106,765.71 = 59,392.14/x
  3. Step 3: Cross multiply
    77,329.20x = 106,765.71 × 59,392.14
  4. Step 4: Simplify right side
    77,329.20x = 6,341,043,995.52
  5. Step 5: Solve for x
    x = 6,341,043,995.52/77,329.20
  6. Step 6: Final answer
    x = 82,000.64

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1.5x scale

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.