Home / 90,433.53-124,804.67-50,151.15

Finding the Fourth Proportional to 90,433.53, 124,804.67 and 50,151.15

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Solution

The fourth proportional to 90,433.53, 124,804.67 and 50,151.15 is: 69,212.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,433.53 : 124,804.67 = 50,151.15 : x
  2. Step 2: Convert to fraction form
    90,433.53/124,804.67 = 50,151.15/x
  3. Step 3: Cross multiply
    90,433.53x = 124,804.67 × 50,151.15
  4. Step 4: Simplify right side
    90,433.53x = 6,259,097,475.11
  5. Step 5: Solve for x
    x = 6,259,097,475.11/90,433.53
  6. Step 6: Final answer
    x = 69,212.13

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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.