Home / 107,077.80-160,624.60-28,191.50

Finding the Fourth Proportional to 107,077.80, 160,624.60 and 28,191.50

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Solution

The fourth proportional to 107,077.80, 160,624.60 and 28,191.50 is: 42,289.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,077.80 : 160,624.60 = 28,191.50 : x
  2. Step 2: Convert to fraction form
    107,077.80/160,624.60 = 28,191.50/x
  3. Step 3: Cross multiply
    107,077.80x = 160,624.60 × 28,191.50
  4. Step 4: Simplify right side
    107,077.80x = 4,528,248,410.90
  5. Step 5: Solve for x
    x = 4,528,248,410.90/107,077.80
  6. Step 6: Final answer
    x = 42,289.33

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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.