Home / 90,095.72-124,321.28-49,804.02

Finding the Fourth Proportional to 90,095.72, 124,321.28 and 49,804.02

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Solution

The fourth proportional to 90,095.72, 124,321.28 and 49,804.02 is: 68,723.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,095.72 : 124,321.28 = 49,804.02 : x
  2. Step 2: Convert to fraction form
    90,095.72/124,321.28 = 49,804.02/x
  3. Step 3: Cross multiply
    90,095.72x = 124,321.28 × 49,804.02
  4. Step 4: Simplify right side
    90,095.72x = 6,191,699,266.53
  5. Step 5: Solve for x
    x = 6,191,699,266.53/90,095.72
  6. Step 6: Final answer
    x = 68,723.57

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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.