Home / 89,261.48-133,808.03-30,055.75

Finding the Fourth Proportional to 89,261.48, 133,808.03 and 30,055.75

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Solution

The fourth proportional to 89,261.48, 133,808.03 and 30,055.75 is: 45,055.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,261.48 : 133,808.03 = 30,055.75 : x
  2. Step 2: Convert to fraction form
    89,261.48/133,808.03 = 30,055.75/x
  3. Step 3: Cross multiply
    89,261.48x = 133,808.03 × 30,055.75
  4. Step 4: Simplify right side
    89,261.48x = 4,021,700,697.67
  5. Step 5: Solve for x
    x = 4,021,700,697.67/89,261.48
  6. Step 6: Final answer
    x = 45,055.28

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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.