Home / 67,426.81-93,450.78-66,165.68

Finding the Fourth Proportional to 67,426.81, 93,450.78 and 66,165.68

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Solution

The fourth proportional to 67,426.81, 93,450.78 and 66,165.68 is: 91,702.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,426.81 : 93,450.78 = 66,165.68 : x
  2. Step 2: Convert to fraction form
    67,426.81/93,450.78 = 66,165.68/x
  3. Step 3: Cross multiply
    67,426.81x = 93,450.78 × 66,165.68
  4. Step 4: Simplify right side
    67,426.81x = 6,183,234,638.86
  5. Step 5: Solve for x
    x = 6,183,234,638.86/67,426.81
  6. Step 6: Final answer
    x = 91,702.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.