Home / 90,370.77-124,711.66-50,090.59

Finding the Fourth Proportional to 90,370.77, 124,711.66 and 50,090.59

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Solution

The fourth proportional to 90,370.77, 124,711.66 and 50,090.59 is: 69,125.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,370.77 : 124,711.66 = 50,090.59 : x
  2. Step 2: Convert to fraction form
    90,370.77/124,711.66 = 50,090.59/x
  3. Step 3: Cross multiply
    90,370.77x = 124,711.66 × 50,090.59
  4. Step 4: Simplify right side
    90,370.77x = 6,246,880,629.28
  5. Step 5: Solve for x
    x = 6,246,880,629.28/90,370.77
  6. Step 6: Final answer
    x = 69,125.01

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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.