Home / 67,637.08-93,353.88-39,346.48

Finding the Fourth Proportional to 67,637.08, 93,353.88 and 39,346.48

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Solution

The fourth proportional to 67,637.08, 93,353.88 and 39,346.48 is: 54,306.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,637.08 : 93,353.88 = 39,346.48 : x
  2. Step 2: Convert to fraction form
    67,637.08/93,353.88 = 39,346.48/x
  3. Step 3: Cross multiply
    67,637.08x = 93,353.88 × 39,346.48
  4. Step 4: Simplify right side
    67,637.08x = 3,673,146,572.34
  5. Step 5: Solve for x
    x = 3,673,146,572.34/67,637.08
  6. Step 6: Final answer
    x = 54,306.70

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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.