Home / 49,535.30-68,352.36-28,316

Finding the Fourth Proportional to 49,535.30, 68,352.36 and 28,316

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Solution

The fourth proportional to 49,535.30, 68,352.36 and 28,316 is: 39,072.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,535.30 : 68,352.36 = 28,316 : x
  2. Step 2: Convert to fraction form
    49,535.30/68,352.36 = 28,316/x
  3. Step 3: Cross multiply
    49,535.30x = 68,352.36 × 28,316
  4. Step 4: Simplify right side
    49,535.30x = 1,935,465,425.76
  5. Step 5: Solve for x
    x = 1,935,465,425.76/49,535.30
  6. Step 6: Final answer
    x = 39,072.45

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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.