Home / 89,503.04-123,532.08-68,244.32

Finding the Fourth Proportional to 89,503.04, 123,532.08 and 68,244.32

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Solution

The fourth proportional to 89,503.04, 123,532.08 and 68,244.32 is: 94,190.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,503.04 : 123,532.08 = 68,244.32 : x
  2. Step 2: Convert to fraction form
    89,503.04/123,532.08 = 68,244.32/x
  3. Step 3: Cross multiply
    89,503.04x = 123,532.08 × 68,244.32
  4. Step 4: Simplify right side
    89,503.04x = 8,430,362,797.79
  5. Step 5: Solve for x
    x = 8,430,362,797.79/89,503.04
  6. Step 6: Final answer
    x = 94,190.80

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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.