Home / 91,157.49-125,803.66-50,879.10

Finding the Fourth Proportional to 91,157.49, 125,803.66 and 50,879.10

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Solution

The fourth proportional to 91,157.49, 125,803.66 and 50,879.10 is: 70,216.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,157.49 : 125,803.66 = 50,879.10 : x
  2. Step 2: Convert to fraction form
    91,157.49/125,803.66 = 50,879.10/x
  3. Step 3: Cross multiply
    91,157.49x = 125,803.66 × 50,879.10
  4. Step 4: Simplify right side
    91,157.49x = 6,400,776,870.31
  5. Step 5: Solve for x
    x = 6,400,776,870.31/91,157.49
  6. Step 6: Final answer
    x = 70,216.69

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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.