Home / 89,505.04-123,534.84-68,246.32

Finding the Fourth Proportional to 89,505.04, 123,534.84 and 68,246.32

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Solution

The fourth proportional to 89,505.04, 123,534.84 and 68,246.32 is: 94,193.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,505.04 : 123,534.84 = 68,246.32 : x
  2. Step 2: Convert to fraction form
    89,505.04/123,534.84 = 68,246.32/x
  3. Step 3: Cross multiply
    89,505.04x = 123,534.84 × 68,246.32
  4. Step 4: Simplify right side
    89,505.04x = 8,430,798,221.79
  5. Step 5: Solve for x
    x = 8,430,798,221.79/89,505.04
  6. Step 6: Final answer
    x = 94,193.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.