Home / 66,476.40-99,580.20-41,439.60

Finding the Fourth Proportional to 66,476.40, 99,580.20 and 41,439.60

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Solution

The fourth proportional to 66,476.40, 99,580.20 and 41,439.60 is: 62,075.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,476.40 : 99,580.20 = 41,439.60 : x
  2. Step 2: Convert to fraction form
    66,476.40/99,580.20 = 41,439.60/x
  3. Step 3: Cross multiply
    66,476.40x = 99,580.20 × 41,439.60
  4. Step 4: Simplify right side
    66,476.40x = 4,126,563,655.92
  5. Step 5: Solve for x
    x = 4,126,563,655.92/66,476.40
  6. Step 6: Final answer
    x = 62,075.62

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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.