Home / 91,278.83-125,965.26-50,994.29

Finding the Fourth Proportional to 91,278.83, 125,965.26 and 50,994.29

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Solution

The fourth proportional to 91,278.83, 125,965.26 and 50,994.29 is: 70,372.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,278.83 : 125,965.26 = 50,994.29 : x
  2. Step 2: Convert to fraction form
    91,278.83/125,965.26 = 50,994.29/x
  3. Step 3: Cross multiply
    91,278.83x = 125,965.26 × 50,994.29
  4. Step 4: Simplify right side
    91,278.83x = 6,423,509,313.28
  5. Step 5: Solve for x
    x = 6,423,509,313.28/91,278.83
  6. Step 6: Final answer
    x = 70,372.39

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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.