Home / 105,733.90-158,662.81-42,544.18

Finding the Fourth Proportional to 105,733.90, 158,662.81 and 42,544.18

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Solution

The fourth proportional to 105,733.90, 158,662.81 and 42,544.18 is: 63,841.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,733.90 : 158,662.81 = 42,544.18 : x
  2. Step 2: Convert to fraction form
    105,733.90/158,662.81 = 42,544.18/x
  3. Step 3: Cross multiply
    105,733.90x = 158,662.81 × 42,544.18
  4. Step 4: Simplify right side
    105,733.90x = 6,750,178,354.63
  5. Step 5: Solve for x
    x = 6,750,178,354.63/105,733.90
  6. Step 6: Final answer
    x = 63,841.20

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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.