Home / 67,845.36-93,637.56-39,545.64

Finding the Fourth Proportional to 67,845.36, 93,637.56 and 39,545.64

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Solution

The fourth proportional to 67,845.36, 93,637.56 and 39,545.64 is: 54,579.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,845.36 : 93,637.56 = 39,545.64 : x
  2. Step 2: Convert to fraction form
    67,845.36/93,637.56 = 39,545.64/x
  3. Step 3: Cross multiply
    67,845.36x = 93,637.56 × 39,545.64
  4. Step 4: Simplify right side
    67,845.36x = 3,702,957,238.24
  5. Step 5: Solve for x
    x = 3,702,957,238.24/67,845.36
  6. Step 6: Final answer
    x = 54,579.37

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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.