Home / 52,122.30-78,175.35-14,678.70

Finding the Fourth Proportional to 52,122.30, 78,175.35 and 14,678.70

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Solution

The fourth proportional to 52,122.30, 78,175.35 and 14,678.70 is: 22,015.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,122.30 : 78,175.35 = 14,678.70 : x
  2. Step 2: Convert to fraction form
    52,122.30/78,175.35 = 14,678.70/x
  3. Step 3: Cross multiply
    52,122.30x = 78,175.35 × 14,678.70
  4. Step 4: Simplify right side
    52,122.30x = 1,147,512,510.05
  5. Step 5: Solve for x
    x = 1,147,512,510.05/52,122.30
  6. Step 6: Final answer
    x = 22,015.77

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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.