Home / 102,162.39-153,242.04-45,962.81

Finding the Fourth Proportional to 102,162.39, 153,242.04 and 45,962.81

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Solution

The fourth proportional to 102,162.39, 153,242.04 and 45,962.81 is: 68,943.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,162.39 : 153,242.04 = 45,962.81 : x
  2. Step 2: Convert to fraction form
    102,162.39/153,242.04 = 45,962.81/x
  3. Step 3: Cross multiply
    102,162.39x = 153,242.04 × 45,962.81
  4. Step 4: Simplify right side
    102,162.39x = 7,043,435,151.64
  5. Step 5: Solve for x
    x = 7,043,435,151.64/102,162.39
  6. Step 6: Final answer
    x = 68,943.52

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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.