Home / 67,650.92-93,368.18-38,965

Finding the Fourth Proportional to 67,650.92, 93,368.18 and 38,965

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Solution

The fourth proportional to 67,650.92, 93,368.18 and 38,965 is: 53,777.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,650.92 : 93,368.18 = 38,965 : x
  2. Step 2: Convert to fraction form
    67,650.92/93,368.18 = 38,965/x
  3. Step 3: Cross multiply
    67,650.92x = 93,368.18 × 38,965
  4. Step 4: Simplify right side
    67,650.92x = 3,638,091,133.70
  5. Step 5: Solve for x
    x = 3,638,091,133.70/67,650.92
  6. Step 6: Final answer
    x = 53,777.41

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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.