Home / 105,022.20-144,932.85-57,275.94

Finding the Fourth Proportional to 105,022.20, 144,932.85 and 57,275.94

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Solution

The fourth proportional to 105,022.20, 144,932.85 and 57,275.94 is: 79,042.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,022.20 : 144,932.85 = 57,275.94 : x
  2. Step 2: Convert to fraction form
    105,022.20/144,932.85 = 57,275.94/x
  3. Step 3: Cross multiply
    105,022.20x = 144,932.85 × 57,275.94
  4. Step 4: Simplify right side
    105,022.20x = 8,301,165,220.63
  5. Step 5: Solve for x
    x = 8,301,165,220.63/105,022.20
  6. Step 6: Final answer
    x = 79,042.00

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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.