Home / 66,363.20-99,544.80-58,846.40

Finding the Fourth Proportional to 66,363.20, 99,544.80 and 58,846.40

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Solution

The fourth proportional to 66,363.20, 99,544.80 and 58,846.40 is: 88,269.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,363.20 : 99,544.80 = 58,846.40 : x
  2. Step 2: Convert to fraction form
    66,363.20/99,544.80 = 58,846.40/x
  3. Step 3: Cross multiply
    66,363.20x = 99,544.80 × 58,846.40
  4. Step 4: Simplify right side
    66,363.20x = 5,857,853,118.72
  5. Step 5: Solve for x
    x = 5,857,853,118.72/66,363.20
  6. Step 6: Final answer
    x = 88,269.60

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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.