Home / 52,114.01-78,170.45-12,671.15

Finding the Fourth Proportional to 52,114.01, 78,170.45 and 12,671.15

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Solution

The fourth proportional to 52,114.01, 78,170.45 and 12,671.15 is: 19,006.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,114.01 : 78,170.45 = 12,671.15 : x
  2. Step 2: Convert to fraction form
    52,114.01/78,170.45 = 12,671.15/x
  3. Step 3: Cross multiply
    52,114.01x = 78,170.45 × 12,671.15
  4. Step 4: Simplify right side
    52,114.01x = 990,509,434.16
  5. Step 5: Solve for x
    x = 990,509,434.16/52,114.01
  6. Step 6: Final answer
    x = 19,006.59

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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.