Home / 67,636.08-93,352.50-39,345.48

Finding the Fourth Proportional to 67,636.08, 93,352.50 and 39,345.48

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Solution

The fourth proportional to 67,636.08, 93,352.50 and 39,345.48 is: 54,305.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,636.08 : 93,352.50 = 39,345.48 : x
  2. Step 2: Convert to fraction form
    67,636.08/93,352.50 = 39,345.48/x
  3. Step 3: Cross multiply
    67,636.08x = 93,352.50 × 39,345.48
  4. Step 4: Simplify right side
    67,636.08x = 3,672,998,921.70
  5. Step 5: Solve for x
    x = 3,672,998,921.70/67,636.08
  6. Step 6: Final answer
    x = 54,305.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.