Home / 91,558.37-137,381.29-58,315.97

Finding the Fourth Proportional to 91,558.37, 137,381.29 and 58,315.97

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Solution

The fourth proportional to 91,558.37, 137,381.29 and 58,315.97 is: 87,501.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,558.37 : 137,381.29 = 58,315.97 : x
  2. Step 2: Convert to fraction form
    91,558.37/137,381.29 = 58,315.97/x
  3. Step 3: Cross multiply
    91,558.37x = 137,381.29 × 58,315.97
  4. Step 4: Simplify right side
    91,558.37x = 8,011,522,353.50
  5. Step 5: Solve for x
    x = 8,011,522,353.50/91,558.37
  6. Step 6: Final answer
    x = 87,501.81

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.