Home / 74,810.14-103,144.62-47,908.42

Finding the Fourth Proportional to 74,810.14, 103,144.62 and 47,908.42

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Solution

The fourth proportional to 74,810.14, 103,144.62 and 47,908.42 is: 66,053.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,810.14 : 103,144.62 = 47,908.42 : x
  2. Step 2: Convert to fraction form
    74,810.14/103,144.62 = 47,908.42/x
  3. Step 3: Cross multiply
    74,810.14x = 103,144.62 × 47,908.42
  4. Step 4: Simplify right side
    74,810.14x = 4,941,495,913.79
  5. Step 5: Solve for x
    x = 4,941,495,913.79/74,810.14
  6. Step 6: Final answer
    x = 66,053.82

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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.