Home / 70,072.04-105,092.29-20,141.01

Finding the Fourth Proportional to 70,072.04, 105,092.29 and 20,141.01

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Solution

The fourth proportional to 70,072.04, 105,092.29 and 20,141.01 is: 30,206.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,072.04 : 105,092.29 = 20,141.01 : x
  2. Step 2: Convert to fraction form
    70,072.04/105,092.29 = 20,141.01/x
  3. Step 3: Cross multiply
    70,072.04x = 105,092.29 × 20,141.01
  4. Step 4: Simplify right side
    70,072.04x = 2,116,664,863.81
  5. Step 5: Solve for x
    x = 2,116,664,863.81/70,072.04
  6. Step 6: Final answer
    x = 30,206.98

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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.