Home / 105,003.24-144,901.28-57,257.52

Finding the Fourth Proportional to 105,003.24, 144,901.28 and 57,257.52

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Solution

The fourth proportional to 105,003.24, 144,901.28 and 57,257.52 is: 79,013.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,003.24 : 144,901.28 = 57,257.52 : x
  2. Step 2: Convert to fraction form
    105,003.24/144,901.28 = 57,257.52/x
  3. Step 3: Cross multiply
    105,003.24x = 144,901.28 × 57,257.52
  4. Step 4: Simplify right side
    105,003.24x = 8,296,687,937.63
  5. Step 5: Solve for x
    x = 8,296,687,937.63/105,003.24
  6. Step 6: Final answer
    x = 79,013.64

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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.