Home / 89,064.73-133,611.68-42,301.81

Finding the Fourth Proportional to 89,064.73, 133,611.68 and 42,301.81

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Solution

The fourth proportional to 89,064.73, 133,611.68 and 42,301.81 is: 63,459.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,064.73 : 133,611.68 = 42,301.81 : x
  2. Step 2: Convert to fraction form
    89,064.73/133,611.68 = 42,301.81/x
  3. Step 3: Cross multiply
    89,064.73x = 133,611.68 × 42,301.81
  4. Step 4: Simplify right side
    89,064.73x = 5,652,015,901.14
  5. Step 5: Solve for x
    x = 5,652,015,901.14/89,064.73
  6. Step 6: Final answer
    x = 63,459.64

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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.