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Finding the Fourth Proportional to 70,000.38, 104,969.67 and 20,069.13

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Solution

The fourth proportional to 70,000.38, 104,969.67 and 20,069.13 is: 30,094.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,000.38 : 104,969.67 = 20,069.13 : x
  2. Step 2: Convert to fraction form
    70,000.38/104,969.67 = 20,069.13/x
  3. Step 3: Cross multiply
    70,000.38x = 104,969.67 × 20,069.13
  4. Step 4: Simplify right side
    70,000.38x = 2,106,649,953.29
  5. Step 5: Solve for x
    x = 2,106,649,953.29/70,000.38
  6. Step 6: Final answer
    x = 30,094.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.