Home / 49,689.79-68,573.60-28,473.16

Finding the Fourth Proportional to 49,689.79, 68,573.60 and 28,473.16

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Solution

The fourth proportional to 49,689.79, 68,573.60 and 28,473.16 is: 39,293.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,689.79 : 68,573.60 = 28,473.16 : x
  2. Step 2: Convert to fraction form
    49,689.79/68,573.60 = 28,473.16/x
  3. Step 3: Cross multiply
    49,689.79x = 68,573.60 × 28,473.16
  4. Step 4: Simplify right side
    49,689.79x = 1,952,506,877.55
  5. Step 5: Solve for x
    x = 1,952,506,877.55/49,689.79
  6. Step 6: Final answer
    x = 39,293.92

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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.