Home / 90,857.44-125,435.43-60,742.45

Finding the Fourth Proportional to 90,857.44, 125,435.43 and 60,742.45

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Solution

The fourth proportional to 90,857.44, 125,435.43 and 60,742.45 is: 83,859.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,857.44 : 125,435.43 = 60,742.45 : x
  2. Step 2: Convert to fraction form
    90,857.44/125,435.43 = 60,742.45/x
  3. Step 3: Cross multiply
    90,857.44x = 125,435.43 × 60,742.45
  4. Step 4: Simplify right side
    90,857.44x = 7,619,255,335.00
  5. Step 5: Solve for x
    x = 7,619,255,335.00/90,857.44
  6. Step 6: Final answer
    x = 83,859.45

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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.