Home / 105,040.17-144,957.39-57,295.23

Finding the Fourth Proportional to 105,040.17, 144,957.39 and 57,295.23

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Solution

The fourth proportional to 105,040.17, 144,957.39 and 57,295.23 is: 79,068.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,040.17 : 144,957.39 = 57,295.23 : x
  2. Step 2: Convert to fraction form
    105,040.17/144,957.39 = 57,295.23/x
  3. Step 3: Cross multiply
    105,040.17x = 144,957.39 × 57,295.23
  4. Step 4: Simplify right side
    105,040.17x = 8,305,367,000.25
  5. Step 5: Solve for x
    x = 8,305,367,000.25/105,040.17
  6. Step 6: Final answer
    x = 79,068.48

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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.