Home / 66,925.56-92,346.78-38,625.96

Finding the Fourth Proportional to 66,925.56, 92,346.78 and 38,625.96

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Solution

The fourth proportional to 66,925.56, 92,346.78 and 38,625.96 is: 53,297.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,925.56 : 92,346.78 = 38,625.96 : x
  2. Step 2: Convert to fraction form
    66,925.56/92,346.78 = 38,625.96/x
  3. Step 3: Cross multiply
    66,925.56x = 92,346.78 × 38,625.96
  4. Step 4: Simplify right side
    66,925.56x = 3,566,983,030.41
  5. Step 5: Solve for x
    x = 3,566,983,030.41/66,925.56
  6. Step 6: Final answer
    x = 53,297.77

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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.