Home / 91,219.17-125,881.15-50,933.57

Finding the Fourth Proportional to 91,219.17, 125,881.15 and 50,933.57

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Solution

The fourth proportional to 91,219.17, 125,881.15 and 50,933.57 is: 70,287.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,219.17 : 125,881.15 = 50,933.57 : x
  2. Step 2: Convert to fraction form
    91,219.17/125,881.15 = 50,933.57/x
  3. Step 3: Cross multiply
    91,219.17x = 125,881.15 × 50,933.57
  4. Step 4: Simplify right side
    91,219.17x = 6,411,575,608.47
  5. Step 5: Solve for x
    x = 6,411,575,608.47/91,219.17
  6. Step 6: Final answer
    x = 70,287.59

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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.