Home / 66,401.40-99,456.30-46,572.60

Finding the Fourth Proportional to 66,401.40, 99,456.30 and 46,572.60

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Solution

The fourth proportional to 66,401.40, 99,456.30 and 46,572.60 is: 69,756.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,401.40 : 99,456.30 = 46,572.60 : x
  2. Step 2: Convert to fraction form
    66,401.40/99,456.30 = 46,572.60/x
  3. Step 3: Cross multiply
    66,401.40x = 99,456.30 × 46,572.60
  4. Step 4: Simplify right side
    66,401.40x = 4,631,938,477.38
  5. Step 5: Solve for x
    x = 4,631,938,477.38/66,401.40
  6. Step 6: Final answer
    x = 69,756.64

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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.