Home / 91,510.05-126,277.77-50,672.79

Finding the Fourth Proportional to 91,510.05, 126,277.77 and 50,672.79

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Solution

The fourth proportional to 91,510.05, 126,277.77 and 50,672.79 is: 69,925.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,510.05 : 126,277.77 = 50,672.79 : x
  2. Step 2: Convert to fraction form
    91,510.05/126,277.77 = 50,672.79/x
  3. Step 3: Cross multiply
    91,510.05x = 126,277.77 × 50,672.79
  4. Step 4: Simplify right side
    91,510.05x = 6,398,846,036.13
  5. Step 5: Solve for x
    x = 6,398,846,036.13/91,510.05
  6. Step 6: Final answer
    x = 69,925.06

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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.