Home / 91,212.12-125,872.38-50,925.51

Finding the Fourth Proportional to 91,212.12, 125,872.38 and 50,925.51

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Solution

The fourth proportional to 91,212.12, 125,872.38 and 50,925.51 is: 70,277.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,212.12 : 125,872.38 = 50,925.51 : x
  2. Step 2: Convert to fraction form
    91,212.12/125,872.38 = 50,925.51/x
  3. Step 3: Cross multiply
    91,212.12x = 125,872.38 × 50,925.51
  4. Step 4: Simplify right side
    91,212.12x = 6,410,115,146.41
  5. Step 5: Solve for x
    x = 6,410,115,146.41/91,212.12
  6. Step 6: Final answer
    x = 70,277.01

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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.