Home / 74,822-103,256.52-41,290.16

Finding the Fourth Proportional to 74,822, 103,256.52 and 41,290.16

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Solution

The fourth proportional to 74,822, 103,256.52 and 41,290.16 is: 56,981.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,822 : 103,256.52 = 41,290.16 : x
  2. Step 2: Convert to fraction form
    74,822/103,256.52 = 41,290.16/x
  3. Step 3: Cross multiply
    74,822x = 103,256.52 × 41,290.16
  4. Step 4: Simplify right side
    74,822x = 4,263,478,231.84
  5. Step 5: Solve for x
    x = 4,263,478,231.84/74,822
  6. Step 6: Final answer
    x = 56,981.61

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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.