Home / 90,640.02-125,080.43-50,352.74

Finding the Fourth Proportional to 90,640.02, 125,080.43 and 50,352.74

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Solution

The fourth proportional to 90,640.02, 125,080.43 and 50,352.74 is: 69,485.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,640.02 : 125,080.43 = 50,352.74 : x
  2. Step 2: Convert to fraction form
    90,640.02/125,080.43 = 50,352.74/x
  3. Step 3: Cross multiply
    90,640.02x = 125,080.43 × 50,352.74
  4. Step 4: Simplify right side
    90,640.02x = 6,298,141,493.71
  5. Step 5: Solve for x
    x = 6,298,141,493.71/90,640.02
  6. Step 6: Final answer
    x = 69,485.22

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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.