Home / 100,813.40-151,213.98-44,637.08

Finding the Fourth Proportional to 100,813.40, 151,213.98 and 44,637.08

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Solution

The fourth proportional to 100,813.40, 151,213.98 and 44,637.08 is: 66,952.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,813.40 : 151,213.98 = 44,637.08 : x
  2. Step 2: Convert to fraction form
    100,813.40/151,213.98 = 44,637.08/x
  3. Step 3: Cross multiply
    100,813.40x = 151,213.98 × 44,637.08
  4. Step 4: Simplify right side
    100,813.40x = 6,749,750,522.38
  5. Step 5: Solve for x
    x = 6,749,750,522.38/100,813.40
  6. Step 6: Final answer
    x = 66,952.91

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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.