Home / 91,983-126,936.66-52,239

Finding the Fourth Proportional to 91,983, 126,936.66 and 52,239

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Solution

The fourth proportional to 91,983, 126,936.66 and 52,239 is: 72,089.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,983 : 126,936.66 = 52,239 : x
  2. Step 2: Convert to fraction form
    91,983/126,936.66 = 52,239/x
  3. Step 3: Cross multiply
    91,983x = 126,936.66 × 52,239
  4. Step 4: Simplify right side
    91,983x = 6,631,044,181.74
  5. Step 5: Solve for x
    x = 6,631,044,181.74/91,983
  6. Step 6: Final answer
    x = 72,089.89

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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.