Home / 67,621.33-93,309.30-38,950.32

Finding the Fourth Proportional to 67,621.33, 93,309.30 and 38,950.32

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Solution

The fourth proportional to 67,621.33, 93,309.30 and 38,950.32 is: 53,746.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,621.33 : 93,309.30 = 38,950.32 : x
  2. Step 2: Convert to fraction form
    67,621.33/93,309.30 = 38,950.32/x
  3. Step 3: Cross multiply
    67,621.33x = 93,309.30 × 38,950.32
  4. Step 4: Simplify right side
    67,621.33x = 3,634,427,083.34
  5. Step 5: Solve for x
    x = 3,634,427,083.34/67,621.33
  6. Step 6: Final answer
    x = 53,746.75

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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.