Home / 66,664.72-99,947.28-40,363.12

Finding the Fourth Proportional to 66,664.72, 99,947.28 and 40,363.12

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Solution

The fourth proportional to 66,664.72, 99,947.28 and 40,363.12 is: 60,514.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,664.72 : 99,947.28 = 40,363.12 : x
  2. Step 2: Convert to fraction form
    66,664.72/99,947.28 = 40,363.12/x
  3. Step 3: Cross multiply
    66,664.72x = 99,947.28 × 40,363.12
  4. Step 4: Simplify right side
    66,664.72x = 4,034,184,056.31
  5. Step 5: Solve for x
    x = 4,034,184,056.31/66,664.72
  6. Step 6: Final answer
    x = 60,514.53

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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.