Home / 105,036.57-144,952.44-57,291.63

Finding the Fourth Proportional to 105,036.57, 144,952.44 and 57,291.63

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Solution

The fourth proportional to 105,036.57, 144,952.44 and 57,291.63 is: 79,063.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,036.57 : 144,952.44 = 57,291.63 : x
  2. Step 2: Convert to fraction form
    105,036.57/144,952.44 = 57,291.63/x
  3. Step 3: Cross multiply
    105,036.57x = 144,952.44 × 57,291.63
  4. Step 4: Simplify right side
    105,036.57x = 8,304,561,560.08
  5. Step 5: Solve for x
    x = 8,304,561,560.08/105,036.57
  6. Step 6: Final answer
    x = 79,063.53

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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.