Home / 91,643.45-126,469.49-51,366.20

Finding the Fourth Proportional to 91,643.45, 126,469.49 and 51,366.20

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Solution

The fourth proportional to 91,643.45, 126,469.49 and 51,366.20 is: 70,886.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,643.45 : 126,469.49 = 51,366.20 : x
  2. Step 2: Convert to fraction form
    91,643.45/126,469.49 = 51,366.20/x
  3. Step 3: Cross multiply
    91,643.45x = 126,469.49 × 51,366.20
  4. Step 4: Simplify right side
    91,643.45x = 6,496,256,228.06
  5. Step 5: Solve for x
    x = 6,496,256,228.06/91,643.45
  6. Step 6: Final answer
    x = 70,886.21

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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.