Home / 89,027.20-133,324.80-47,382.40

Finding the Fourth Proportional to 89,027.20, 133,324.80 and 47,382.40

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Solution

The fourth proportional to 89,027.20, 133,324.80 and 47,382.40 is: 70,958.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,027.20 : 133,324.80 = 47,382.40 : x
  2. Step 2: Convert to fraction form
    89,027.20/133,324.80 = 47,382.40/x
  3. Step 3: Cross multiply
    89,027.20x = 133,324.80 × 47,382.40
  4. Step 4: Simplify right side
    89,027.20x = 6,317,249,003.52
  5. Step 5: Solve for x
    x = 6,317,249,003.52/89,027.20
  6. Step 6: Final answer
    x = 70,958.64

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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.