Home / 78,857.04-118,285.56-46,002

Finding the Fourth Proportional to 78,857.04, 118,285.56 and 46,002

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Solution

The fourth proportional to 78,857.04, 118,285.56 and 46,002 is: 69,003

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,857.04 : 118,285.56 = 46,002 : x
  2. Step 2: Convert to fraction form
    78,857.04/118,285.56 = 46,002/x
  3. Step 3: Cross multiply
    78,857.04x = 118,285.56 × 46,002
  4. Step 4: Simplify right side
    78,857.04x = 5,441,372,331.12
  5. Step 5: Solve for x
    x = 5,441,372,331.12/78,857.04
  6. Step 6: Final answer
    x = 69,003

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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.