Home / 90,277.05-124,580.79-49,989.94

Finding the Fourth Proportional to 90,277.05, 124,580.79 and 49,989.94

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Solution

The fourth proportional to 90,277.05, 124,580.79 and 49,989.94 is: 68,985.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,277.05 : 124,580.79 = 49,989.94 : x
  2. Step 2: Convert to fraction form
    90,277.05/124,580.79 = 49,989.94/x
  3. Step 3: Cross multiply
    90,277.05x = 124,580.79 × 49,989.94
  4. Step 4: Simplify right side
    90,277.05x = 6,227,786,217.25
  5. Step 5: Solve for x
    x = 6,227,786,217.25/90,277.05
  6. Step 6: Final answer
    x = 68,985.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.