Home / 69,461.15-104,190.91-16,870.68

Finding the Fourth Proportional to 69,461.15, 104,190.91 and 16,870.68

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Solution

The fourth proportional to 69,461.15, 104,190.91 and 16,870.68 is: 25,305.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,461.15 : 104,190.91 = 16,870.68 : x
  2. Step 2: Convert to fraction form
    69,461.15/104,190.91 = 16,870.68/x
  3. Step 3: Cross multiply
    69,461.15x = 104,190.91 × 16,870.68
  4. Step 4: Simplify right side
    69,461.15x = 1,757,771,459.34
  5. Step 5: Solve for x
    x = 1,757,771,459.34/69,461.15
  6. Step 6: Final answer
    x = 25,305.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.