Home / 105,582.60-158,286.30-39,010.20

Finding the Fourth Proportional to 105,582.60, 158,286.30 and 39,010.20

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Solution

The fourth proportional to 105,582.60, 158,286.30 and 39,010.20 is: 58,482.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,582.60 : 158,286.30 = 39,010.20 : x
  2. Step 2: Convert to fraction form
    105,582.60/158,286.30 = 39,010.20/x
  3. Step 3: Cross multiply
    105,582.60x = 158,286.30 × 39,010.20
  4. Step 4: Simplify right side
    105,582.60x = 6,174,780,220.26
  5. Step 5: Solve for x
    x = 6,174,780,220.26/105,582.60
  6. Step 6: Final answer
    x = 58,482.93

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.