Home / 115,588.37-173,432.64-40,761.98

Finding the Fourth Proportional to 115,588.37, 173,432.64 and 40,761.98

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Solution

The fourth proportional to 115,588.37, 173,432.64 and 40,761.98 is: 61,160.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,588.37 : 173,432.64 = 40,761.98 : x
  2. Step 2: Convert to fraction form
    115,588.37/173,432.64 = 40,761.98/x
  3. Step 3: Cross multiply
    115,588.37x = 173,432.64 × 40,761.98
  4. Step 4: Simplify right side
    115,588.37x = 7,069,457,803.03
  5. Step 5: Solve for x
    x = 7,069,457,803.03/115,588.37
  6. Step 6: Final answer
    x = 61,160.63

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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.