Home / 92,927.84-128,240.07-50,486

Finding the Fourth Proportional to 92,927.84, 128,240.07 and 50,486

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Solution

The fourth proportional to 92,927.84, 128,240.07 and 50,486 is: 69,670.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,927.84 : 128,240.07 = 50,486 : x
  2. Step 2: Convert to fraction form
    92,927.84/128,240.07 = 50,486/x
  3. Step 3: Cross multiply
    92,927.84x = 128,240.07 × 50,486
  4. Step 4: Simplify right side
    92,927.84x = 6,474,328,174.02
  5. Step 5: Solve for x
    x = 6,474,328,174.02/92,927.84
  6. Step 6: Final answer
    x = 69,670.49

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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.