Home / 103,722.12-155,602.62-41,393.16

Finding the Fourth Proportional to 103,722.12, 155,602.62 and 41,393.16

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Solution

The fourth proportional to 103,722.12, 155,602.62 and 41,393.16 is: 62,097.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,722.12 : 155,602.62 = 41,393.16 : x
  2. Step 2: Convert to fraction form
    103,722.12/155,602.62 = 41,393.16/x
  3. Step 3: Cross multiply
    103,722.12x = 155,602.62 × 41,393.16
  4. Step 4: Simplify right side
    103,722.12x = 6,440,884,146.08
  5. Step 5: Solve for x
    x = 6,440,884,146.08/103,722.12
  6. Step 6: Final answer
    x = 62,097.50

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.