Home / 105,882.85-158,822.22-42,701.55

Finding the Fourth Proportional to 105,882.85, 158,822.22 and 42,701.55

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Solution

The fourth proportional to 105,882.85, 158,822.22 and 42,701.55 is: 64,051.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,882.85 : 158,822.22 = 42,701.55 : x
  2. Step 2: Convert to fraction form
    105,882.85/158,822.22 = 42,701.55/x
  3. Step 3: Cross multiply
    105,882.85x = 158,822.22 × 42,701.55
  4. Step 4: Simplify right side
    105,882.85x = 6,781,954,968.44
  5. Step 5: Solve for x
    x = 6,781,954,968.44/105,882.85
  6. Step 6: Final answer
    x = 64,051.50

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1.5x scale

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.