Home / 105,866.25-146,095.68-57,468.34

Finding the Fourth Proportional to 105,866.25, 146,095.68 and 57,468.34

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Solution

The fourth proportional to 105,866.25, 146,095.68 and 57,468.34 is: 79,306.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,866.25 : 146,095.68 = 57,468.34 : x
  2. Step 2: Convert to fraction form
    105,866.25/146,095.68 = 57,468.34/x
  3. Step 3: Cross multiply
    105,866.25x = 146,095.68 × 57,468.34
  4. Step 4: Simplify right side
    105,866.25x = 8,395,876,210.77
  5. Step 5: Solve for x
    x = 8,395,876,210.77/105,866.25
  6. Step 6: Final answer
    x = 79,306.45

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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.