Home / 91,302.88-125,998.14-51,016.72

Finding the Fourth Proportional to 91,302.88, 125,998.14 and 51,016.72

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Solution

The fourth proportional to 91,302.88, 125,998.14 and 51,016.72 is: 70,403.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,302.88 : 125,998.14 = 51,016.72 : x
  2. Step 2: Convert to fraction form
    91,302.88/125,998.14 = 51,016.72/x
  3. Step 3: Cross multiply
    91,302.88x = 125,998.14 × 51,016.72
  4. Step 4: Simplify right side
    91,302.88x = 6,428,011,828.90
  5. Step 5: Solve for x
    x = 6,428,011,828.90/91,302.88
  6. Step 6: Final answer
    x = 70,403.17

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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.