Home / 91,039.76-125,563.65-59,218.82

Finding the Fourth Proportional to 91,039.76, 125,563.65 and 59,218.82

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Solution

The fourth proportional to 91,039.76, 125,563.65 and 59,218.82 is: 81,675.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,039.76 : 125,563.65 = 59,218.82 : x
  2. Step 2: Convert to fraction form
    91,039.76/125,563.65 = 59,218.82/x
  3. Step 3: Cross multiply
    91,039.76x = 125,563.65 × 59,218.82
  4. Step 4: Simplify right side
    91,039.76x = 7,435,731,187.89
  5. Step 5: Solve for x
    x = 7,435,731,187.89/91,039.76
  6. Step 6: Final answer
    x = 81,675.65

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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.