Home / 91,208.84-125,856.38-59,420.79

Finding the Fourth Proportional to 91,208.84, 125,856.38 and 59,420.79

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Solution

The fourth proportional to 91,208.84, 125,856.38 and 59,420.79 is: 81,993.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,208.84 : 125,856.38 = 59,420.79 : x
  2. Step 2: Convert to fraction form
    91,208.84/125,856.38 = 59,420.79/x
  3. Step 3: Cross multiply
    91,208.84x = 125,856.38 × 59,420.79
  4. Step 4: Simplify right side
    91,208.84x = 7,478,485,674.69
  5. Step 5: Solve for x
    x = 7,478,485,674.69/91,208.84
  6. Step 6: Final answer
    x = 81,993.00

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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.