Home / 66,538.20-99,807.30-62,601.60

Finding the Fourth Proportional to 66,538.20, 99,807.30 and 62,601.60

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Solution

The fourth proportional to 66,538.20, 99,807.30 and 62,601.60 is: 93,902.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,538.20 : 99,807.30 = 62,601.60 : x
  2. Step 2: Convert to fraction form
    66,538.20/99,807.30 = 62,601.60/x
  3. Step 3: Cross multiply
    66,538.20x = 99,807.30 × 62,601.60
  4. Step 4: Simplify right side
    66,538.20x = 6,248,096,671.68
  5. Step 5: Solve for x
    x = 6,248,096,671.68/66,538.20
  6. Step 6: Final answer
    x = 93,902.40

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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.