Home / 105,002.97-144,900.93-57,257.25

Finding the Fourth Proportional to 105,002.97, 144,900.93 and 57,257.25

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Solution

The fourth proportional to 105,002.97, 144,900.93 and 57,257.25 is: 79,013.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,002.97 : 144,900.93 = 57,257.25 : x
  2. Step 2: Convert to fraction form
    105,002.97/144,900.93 = 57,257.25/x
  3. Step 3: Cross multiply
    105,002.97x = 144,900.93 × 57,257.25
  4. Step 4: Simplify right side
    105,002.97x = 8,296,628,774.24
  5. Step 5: Solve for x
    x = 8,296,628,774.24/105,002.97
  6. Step 6: Final answer
    x = 79,013.28

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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.