Home / 91,254.42-125,928.54-50,967

Finding the Fourth Proportional to 91,254.42, 125,928.54 and 50,967

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Solution

The fourth proportional to 91,254.42, 125,928.54 and 50,967 is: 70,333.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,254.42 : 125,928.54 = 50,967 : x
  2. Step 2: Convert to fraction form
    91,254.42/125,928.54 = 50,967/x
  3. Step 3: Cross multiply
    91,254.42x = 125,928.54 × 50,967
  4. Step 4: Simplify right side
    91,254.42x = 6,418,199,898.18
  5. Step 5: Solve for x
    x = 6,418,199,898.18/91,254.42
  6. Step 6: Final answer
    x = 70,333.03

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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.