Home / 92,974.23-128,308.25-52,687.56

Finding the Fourth Proportional to 92,974.23, 128,308.25 and 52,687.56

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Solution

The fourth proportional to 92,974.23, 128,308.25 and 52,687.56 is: 72,711.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,974.23 : 128,308.25 = 52,687.56 : x
  2. Step 2: Convert to fraction form
    92,974.23/128,308.25 = 52,687.56/x
  3. Step 3: Cross multiply
    92,974.23x = 128,308.25 × 52,687.56
  4. Step 4: Simplify right side
    92,974.23x = 6,760,249,233.24
  5. Step 5: Solve for x
    x = 6,760,249,233.24/92,974.23
  6. Step 6: Final answer
    x = 72,711.00

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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.