Home / 90,617.47-125,048.64-50,333.81

Finding the Fourth Proportional to 90,617.47, 125,048.64 and 50,333.81

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Solution

The fourth proportional to 90,617.47, 125,048.64 and 50,333.81 is: 69,458.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,617.47 : 125,048.64 = 50,333.81 : x
  2. Step 2: Convert to fraction form
    90,617.47/125,048.64 = 50,333.81/x
  3. Step 3: Cross multiply
    90,617.47x = 125,048.64 × 50,333.81
  4. Step 4: Simplify right side
    90,617.47x = 6,294,173,625.34
  5. Step 5: Solve for x
    x = 6,294,173,625.34/90,617.47
  6. Step 6: Final answer
    x = 69,458.72

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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.