Home / 66,237.28-99,355.80-46,603.60

Finding the Fourth Proportional to 66,237.28, 99,355.80 and 46,603.60

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Solution

The fourth proportional to 66,237.28, 99,355.80 and 46,603.60 is: 69,905.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,237.28 : 99,355.80 = 46,603.60 : x
  2. Step 2: Convert to fraction form
    66,237.28/99,355.80 = 46,603.60/x
  3. Step 3: Cross multiply
    66,237.28x = 99,355.80 × 46,603.60
  4. Step 4: Simplify right side
    66,237.28x = 4,630,337,960.88
  5. Step 5: Solve for x
    x = 4,630,337,960.88/66,237.28
  6. Step 6: Final answer
    x = 69,905.32

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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.