Home / 105,244.06-145,236.27-57,500.14

Finding the Fourth Proportional to 105,244.06, 145,236.27 and 57,500.14

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Solution

The fourth proportional to 105,244.06, 145,236.27 and 57,500.14 is: 79,349.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,244.06 : 145,236.27 = 57,500.14 : x
  2. Step 2: Convert to fraction form
    105,244.06/145,236.27 = 57,500.14/x
  3. Step 3: Cross multiply
    105,244.06x = 145,236.27 × 57,500.14
  4. Step 4: Simplify right side
    105,244.06x = 8,351,105,858.08
  5. Step 5: Solve for x
    x = 8,351,105,858.08/105,244.06
  6. Step 6: Final answer
    x = 79,349.90

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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.