Home / 74,922.62-103,391.49-40,931.25

Finding the Fourth Proportional to 74,922.62, 103,391.49 and 40,931.25

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Solution

The fourth proportional to 74,922.62, 103,391.49 and 40,931.25 is: 56,484.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,922.62 : 103,391.49 = 40,931.25 : x
  2. Step 2: Convert to fraction form
    74,922.62/103,391.49 = 40,931.25/x
  3. Step 3: Cross multiply
    74,922.62x = 103,391.49 × 40,931.25
  4. Step 4: Simplify right side
    74,922.62x = 4,231,942,925.06
  5. Step 5: Solve for x
    x = 4,231,942,925.06/74,922.62
  6. Step 6: Final answer
    x = 56,484.18

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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.