Home / 91,212.54-125,870.94-50,925.21

Finding the Fourth Proportional to 91,212.54, 125,870.94 and 50,925.21

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Solution

The fourth proportional to 91,212.54, 125,870.94 and 50,925.21 is: 70,275.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,212.54 : 125,870.94 = 50,925.21 : x
  2. Step 2: Convert to fraction form
    91,212.54/125,870.94 = 50,925.21/x
  3. Step 3: Cross multiply
    91,212.54x = 125,870.94 × 50,925.21
  4. Step 4: Simplify right side
    91,212.54x = 6,410,004,052.40
  5. Step 5: Solve for x
    x = 6,410,004,052.40/91,212.54
  6. Step 6: Final answer
    x = 70,275.47

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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.