Home / 93,780.18-129,415.83-50,758.82

Finding the Fourth Proportional to 93,780.18, 129,415.83 and 50,758.82

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Solution

The fourth proportional to 93,780.18, 129,415.83 and 50,758.82 is: 70,046.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,780.18 : 129,415.83 = 50,758.82 : x
  2. Step 2: Convert to fraction form
    93,780.18/129,415.83 = 50,758.82/x
  3. Step 3: Cross multiply
    93,780.18x = 129,415.83 × 50,758.82
  4. Step 4: Simplify right side
    93,780.18x = 6,568,994,468.01
  5. Step 5: Solve for x
    x = 6,568,994,468.01/93,780.18
  6. Step 6: Final answer
    x = 70,046.72

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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.