Home / 52,110.08-78,164.42-12,667.08

Finding the Fourth Proportional to 52,110.08, 78,164.42 and 12,667.08

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Solution

The fourth proportional to 52,110.08, 78,164.42 and 12,667.08 is: 19,000.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,110.08 : 78,164.42 = 12,667.08 : x
  2. Step 2: Convert to fraction form
    52,110.08/78,164.42 = 12,667.08/x
  3. Step 3: Cross multiply
    52,110.08x = 78,164.42 × 12,667.08
  4. Step 4: Simplify right side
    52,110.08x = 990,114,961.29
  5. Step 5: Solve for x
    x = 990,114,961.29/52,110.08
  6. Step 6: Final answer
    x = 19,000.45

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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.