Home / 91,099.89-125,718.02-50,816.25

Finding the Fourth Proportional to 91,099.89, 125,718.02 and 50,816.25

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Solution

The fourth proportional to 91,099.89, 125,718.02 and 50,816.25 is: 70,126.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,099.89 : 125,718.02 = 50,816.25 : x
  2. Step 2: Convert to fraction form
    91,099.89/125,718.02 = 50,816.25/x
  3. Step 3: Cross multiply
    91,099.89x = 125,718.02 × 50,816.25
  4. Step 4: Simplify right side
    91,099.89x = 6,388,518,079.74
  5. Step 5: Solve for x
    x = 6,388,518,079.74/91,099.89
  6. Step 6: Final answer
    x = 70,126.52

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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.