Home / 74,894.77-103,307.32-56,950.43

Finding the Fourth Proportional to 74,894.77, 103,307.32 and 56,950.43

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Solution

The fourth proportional to 74,894.77, 103,307.32 and 56,950.43 is: 78,555.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,894.77 : 103,307.32 = 56,950.43 : x
  2. Step 2: Convert to fraction form
    74,894.77/103,307.32 = 56,950.43/x
  3. Step 3: Cross multiply
    74,894.77x = 103,307.32 × 56,950.43
  4. Step 4: Simplify right side
    74,894.77x = 5,883,396,412.04
  5. Step 5: Solve for x
    x = 5,883,396,412.04/74,894.77
  6. Step 6: Final answer
    x = 78,555.51

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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.