Home / 107,951.10-161,878.05-48,756.30

Finding the Fourth Proportional to 107,951.10, 161,878.05 and 48,756.30

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Solution

The fourth proportional to 107,951.10, 161,878.05 and 48,756.30 is: 73,112.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,951.10 : 161,878.05 = 48,756.30 : x
  2. Step 2: Convert to fraction form
    107,951.10/161,878.05 = 48,756.30/x
  3. Step 3: Cross multiply
    107,951.10x = 161,878.05 × 48,756.30
  4. Step 4: Simplify right side
    107,951.10x = 7,892,574,769.22
  5. Step 5: Solve for x
    x = 7,892,574,769.22/107,951.10
  6. Step 6: Final answer
    x = 73,112.50

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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.