Home / 90,935.64-125,495.08-50,649.41

Finding the Fourth Proportional to 90,935.64, 125,495.08 and 50,649.41

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Solution

The fourth proportional to 90,935.64, 125,495.08 and 50,649.41 is: 69,898.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,935.64 : 125,495.08 = 50,649.41 : x
  2. Step 2: Convert to fraction form
    90,935.64/125,495.08 = 50,649.41/x
  3. Step 3: Cross multiply
    90,935.64x = 125,495.08 × 50,649.41
  4. Step 4: Simplify right side
    90,935.64x = 6,356,251,947.02
  5. Step 5: Solve for x
    x = 6,356,251,947.02/90,935.64
  6. Step 6: Final answer
    x = 69,898.36

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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.