Home / 52,116.88-78,174.16-12,674.24

Finding the Fourth Proportional to 52,116.88, 78,174.16 and 12,674.24

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Solution

The fourth proportional to 52,116.88, 78,174.16 and 12,674.24 is: 19,011.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,116.88 : 78,174.16 = 12,674.24 : x
  2. Step 2: Convert to fraction form
    52,116.88/78,174.16 = 12,674.24/x
  3. Step 3: Cross multiply
    52,116.88x = 78,174.16 × 12,674.24
  4. Step 4: Simplify right side
    52,116.88x = 990,798,065.64
  5. Step 5: Solve for x
    x = 990,798,065.64/52,116.88
  6. Step 6: Final answer
    x = 19,011.08

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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.