Home / 92,945.15-128,259.27-52,658.02

Finding the Fourth Proportional to 92,945.15, 128,259.27 and 52,658.02

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Solution

The fourth proportional to 92,945.15, 128,259.27 and 52,658.02 is: 72,665.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,945.15 : 128,259.27 = 52,658.02 : x
  2. Step 2: Convert to fraction form
    92,945.15/128,259.27 = 52,658.02/x
  3. Step 3: Cross multiply
    92,945.15x = 128,259.27 × 52,658.02
  4. Step 4: Simplify right side
    92,945.15x = 6,753,879,874.00
  5. Step 5: Solve for x
    x = 6,753,879,874.00/92,945.15
  6. Step 6: Final answer
    x = 72,665.22

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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.