Home / 89,129.16-133,716.02-62,885.16

Finding the Fourth Proportional to 89,129.16, 133,716.02 and 62,885.16

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Solution

The fourth proportional to 89,129.16, 133,716.02 and 62,885.16 is: 94,343.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,129.16 : 133,716.02 = 62,885.16 : x
  2. Step 2: Convert to fraction form
    89,129.16/133,716.02 = 62,885.16/x
  3. Step 3: Cross multiply
    89,129.16x = 133,716.02 × 62,885.16
  4. Step 4: Simplify right side
    89,129.16x = 8,408,752,997.84
  5. Step 5: Solve for x
    x = 8,408,752,997.84/89,129.16
  6. Step 6: Final answer
    x = 94,343.46

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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.