Home / 91,073.11-125,681.70-50,238.80

Finding the Fourth Proportional to 91,073.11, 125,681.70 and 50,238.80

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Solution

The fourth proportional to 91,073.11, 125,681.70 and 50,238.80 is: 69,329.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,073.11 : 125,681.70 = 50,238.80 : x
  2. Step 2: Convert to fraction form
    91,073.11/125,681.70 = 50,238.80/x
  3. Step 3: Cross multiply
    91,073.11x = 125,681.70 × 50,238.80
  4. Step 4: Simplify right side
    91,073.11x = 6,314,097,161.55
  5. Step 5: Solve for x
    x = 6,314,097,161.55/91,073.11
  6. Step 6: Final answer
    x = 69,329.98

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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.