Home / 74,934.64-103,424.32-48,111.04

Finding the Fourth Proportional to 74,934.64, 103,424.32 and 48,111.04

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Solution

The fourth proportional to 74,934.64, 103,424.32 and 48,111.04 is: 66,402.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,934.64 : 103,424.32 = 48,111.04 : x
  2. Step 2: Convert to fraction form
    74,934.64/103,424.32 = 48,111.04/x
  3. Step 3: Cross multiply
    74,934.64x = 103,424.32 × 48,111.04
  4. Step 4: Simplify right side
    74,934.64x = 4,975,851,596.49
  5. Step 5: Solve for x
    x = 4,975,851,596.49/74,934.64
  6. Step 6: Final answer
    x = 66,402.56

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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.