Home / 67,854.89-93,637.94-39,173.58

Finding the Fourth Proportional to 67,854.89, 93,637.94 and 39,173.58

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Solution

The fourth proportional to 67,854.89, 93,637.94 and 39,173.58 is: 54,058.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,854.89 : 93,637.94 = 39,173.58 : x
  2. Step 2: Convert to fraction form
    67,854.89/93,637.94 = 39,173.58/x
  3. Step 3: Cross multiply
    67,854.89x = 93,637.94 × 39,173.58
  4. Step 4: Simplify right side
    67,854.89x = 3,668,133,371.85
  5. Step 5: Solve for x
    x = 3,668,133,371.85/67,854.89
  6. Step 6: Final answer
    x = 54,058.50

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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.