Home / 105,504.60-145,599.84-60,189.24

Finding the Fourth Proportional to 105,504.60, 145,599.84 and 60,189.24

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Solution

The fourth proportional to 105,504.60, 145,599.84 and 60,189.24 is: 83,063.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,504.60 : 145,599.84 = 60,189.24 : x
  2. Step 2: Convert to fraction form
    105,504.60/145,599.84 = 60,189.24/x
  3. Step 3: Cross multiply
    105,504.60x = 145,599.84 × 60,189.24
  4. Step 4: Simplify right side
    105,504.60x = 8,763,543,713.72
  5. Step 5: Solve for x
    x = 8,763,543,713.72/105,504.60
  6. Step 6: Final answer
    x = 83,063.14

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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.