Home / 66,331.20-99,496.80-62,529.60

Finding the Fourth Proportional to 66,331.20, 99,496.80 and 62,529.60

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Solution

The fourth proportional to 66,331.20, 99,496.80 and 62,529.60 is: 93,794.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,331.20 : 99,496.80 = 62,529.60 : x
  2. Step 2: Convert to fraction form
    66,331.20/99,496.80 = 62,529.60/x
  3. Step 3: Cross multiply
    66,331.20x = 99,496.80 × 62,529.60
  4. Step 4: Simplify right side
    66,331.20x = 6,221,495,105.28
  5. Step 5: Solve for x
    x = 6,221,495,105.28/66,331.20
  6. Step 6: Final answer
    x = 93,794.40

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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.