Home / 91,113.04-125,736.20-50,825.80

Finding the Fourth Proportional to 91,113.04, 125,736.20 and 50,825.80

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Solution

The fourth proportional to 91,113.04, 125,736.20 and 50,825.80 is: 70,139.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,113.04 : 125,736.20 = 50,825.80 : x
  2. Step 2: Convert to fraction form
    91,113.04/125,736.20 = 50,825.80/x
  3. Step 3: Cross multiply
    91,113.04x = 125,736.20 × 50,825.80
  4. Step 4: Simplify right side
    91,113.04x = 6,390,642,953.96
  5. Step 5: Solve for x
    x = 6,390,642,953.96/91,113.04
  6. Step 6: Final answer
    x = 70,139.72

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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.