Home / 89,094.12-133,499.02-65,291.35

Finding the Fourth Proportional to 89,094.12, 133,499.02 and 65,291.35

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Solution

The fourth proportional to 89,094.12, 133,499.02 and 65,291.35 is: 97,832.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,094.12 : 133,499.02 = 65,291.35 : x
  2. Step 2: Convert to fraction form
    89,094.12/133,499.02 = 65,291.35/x
  3. Step 3: Cross multiply
    89,094.12x = 133,499.02 × 65,291.35
  4. Step 4: Simplify right side
    89,094.12x = 8,716,331,239.48
  5. Step 5: Solve for x
    x = 8,716,331,239.48/89,094.12
  6. Step 6: Final answer
    x = 97,832.85

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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.