Home / 91,176.06-125,723.78-59,285.82

Finding the Fourth Proportional to 91,176.06, 125,723.78 and 59,285.82

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Solution

The fourth proportional to 91,176.06, 125,723.78 and 59,285.82 is: 81,749.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,176.06 : 125,723.78 = 59,285.82 : x
  2. Step 2: Convert to fraction form
    91,176.06/125,723.78 = 59,285.82/x
  3. Step 3: Cross multiply
    91,176.06x = 125,723.78 × 59,285.82
  4. Step 4: Simplify right side
    91,176.06x = 7,453,637,390.80
  5. Step 5: Solve for x
    x = 7,453,637,390.80/91,176.06
  6. Step 6: Final answer
    x = 81,749.94

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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.