Home / 105,041.18-144,958.78-57,296.24

Finding the Fourth Proportional to 105,041.18, 144,958.78 and 57,296.24

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Solution

The fourth proportional to 105,041.18, 144,958.78 and 57,296.24 is: 79,069.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,041.18 : 144,958.78 = 57,296.24 : x
  2. Step 2: Convert to fraction form
    105,041.18/144,958.78 = 57,296.24/x
  3. Step 3: Cross multiply
    105,041.18x = 144,958.78 × 57,296.24
  4. Step 4: Simplify right side
    105,041.18x = 8,305,593,048.99
  5. Step 5: Solve for x
    x = 8,305,593,048.99/105,041.18
  6. Step 6: Final answer
    x = 79,069.88

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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.