Home / 66,376.20-99,276.30-59,406.60

Finding the Fourth Proportional to 66,376.20, 99,276.30 and 59,406.60

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Solution

The fourth proportional to 66,376.20, 99,276.30 and 59,406.60 is: 88,852.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,376.20 : 99,276.30 = 59,406.60 : x
  2. Step 2: Convert to fraction form
    66,376.20/99,276.30 = 59,406.60/x
  3. Step 3: Cross multiply
    66,376.20x = 99,276.30 × 59,406.60
  4. Step 4: Simplify right side
    66,376.20x = 5,897,667,443.58
  5. Step 5: Solve for x
    x = 5,897,667,443.58/66,376.20
  6. Step 6: Final answer
    x = 88,852.14

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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.