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Finding the Fourth Proportional to 67,210.54, 92,750.88 and 36,998.90

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Solution

The fourth proportional to 67,210.54, 92,750.88 and 36,998.90 is: 51,058.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,210.54 : 92,750.88 = 36,998.90 : x
  2. Step 2: Convert to fraction form
    67,210.54/92,750.88 = 36,998.90/x
  3. Step 3: Cross multiply
    67,210.54x = 92,750.88 × 36,998.90
  4. Step 4: Simplify right side
    67,210.54x = 3,431,680,534.03
  5. Step 5: Solve for x
    x = 3,431,680,534.03/67,210.54
  6. Step 6: Final answer
    x = 51,058.67

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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.