Home / 90,736.86-136,132.94-46,394.74

Finding the Fourth Proportional to 90,736.86, 136,132.94 and 46,394.74

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Solution

The fourth proportional to 90,736.86, 136,132.94 and 46,394.74 is: 69,606.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,736.86 : 136,132.94 = 46,394.74 : x
  2. Step 2: Convert to fraction form
    90,736.86/136,132.94 = 46,394.74/x
  3. Step 3: Cross multiply
    90,736.86x = 136,132.94 × 46,394.74
  4. Step 4: Simplify right side
    90,736.86x = 6,315,852,356.74
  5. Step 5: Solve for x
    x = 6,315,852,356.74/90,736.86
  6. Step 6: Final answer
    x = 69,606.25

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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.