Home / 91,238.61-125,903.01-50,400.93

Finding the Fourth Proportional to 91,238.61, 125,903.01 and 50,400.93

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Solution

The fourth proportional to 91,238.61, 125,903.01 and 50,400.93 is: 69,549.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,238.61 : 125,903.01 = 50,400.93 : x
  2. Step 2: Convert to fraction form
    91,238.61/125,903.01 = 50,400.93/x
  3. Step 3: Cross multiply
    91,238.61x = 125,903.01 × 50,400.93
  4. Step 4: Simplify right side
    91,238.61x = 6,345,628,793.80
  5. Step 5: Solve for x
    x = 6,345,628,793.80/91,238.61
  6. Step 6: Final answer
    x = 69,549.82

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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.