Home / 49,955.48-68,941.64-28,734.28

Finding the Fourth Proportional to 49,955.48, 68,941.64 and 28,734.28

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Solution

The fourth proportional to 49,955.48, 68,941.64 and 28,734.28 is: 39,655.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,955.48 : 68,941.64 = 28,734.28 : x
  2. Step 2: Convert to fraction form
    49,955.48/68,941.64 = 28,734.28/x
  3. Step 3: Cross multiply
    49,955.48x = 68,941.64 × 28,734.28
  4. Step 4: Simplify right side
    49,955.48x = 1,980,988,387.42
  5. Step 5: Solve for x
    x = 1,980,988,387.42/49,955.48
  6. Step 6: Final answer
    x = 39,655.08

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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.