Home / 91,099.04-125,716.88-50,811.80

Finding the Fourth Proportional to 91,099.04, 125,716.88 and 50,811.80

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Solution

The fourth proportional to 91,099.04, 125,716.88 and 50,811.80 is: 70,120.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,099.04 : 125,716.88 = 50,811.80 : x
  2. Step 2: Convert to fraction form
    91,099.04/125,716.88 = 50,811.80/x
  3. Step 3: Cross multiply
    91,099.04x = 125,716.88 × 50,811.80
  4. Step 4: Simplify right side
    91,099.04x = 6,387,900,963.18
  5. Step 5: Solve for x
    x = 6,387,900,963.18/91,099.04
  6. Step 6: Final answer
    x = 70,120.40

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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.