Home / 85,373.18-128,026.94-58,997.96

Finding the Fourth Proportional to 85,373.18, 128,026.94 and 58,997.96

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Solution

The fourth proportional to 85,373.18, 128,026.94 and 58,997.96 is: 88,474.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,373.18 : 128,026.94 = 58,997.96 : x
  2. Step 2: Convert to fraction form
    85,373.18/128,026.94 = 58,997.96/x
  3. Step 3: Cross multiply
    85,373.18x = 128,026.94 × 58,997.96
  4. Step 4: Simplify right side
    85,373.18x = 7,553,328,285.04
  5. Step 5: Solve for x
    x = 7,553,328,285.04/85,373.18
  6. Step 6: Final answer
    x = 88,474.25

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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.