Home / 74,894.02-103,306.29-56,949.68

Finding the Fourth Proportional to 74,894.02, 103,306.29 and 56,949.68

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Solution

The fourth proportional to 74,894.02, 103,306.29 and 56,949.68 is: 78,554.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,894.02 : 103,306.29 = 56,949.68 : x
  2. Step 2: Convert to fraction form
    74,894.02/103,306.29 = 56,949.68/x
  3. Step 3: Cross multiply
    74,894.02x = 103,306.29 × 56,949.68
  4. Step 4: Simplify right side
    74,894.02x = 5,883,260,202.19
  5. Step 5: Solve for x
    x = 5,883,260,202.19/74,894.02
  6. Step 6: Final answer
    x = 78,554.47

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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.