Home / 103,621.28-155,459.28-37,068.08

Finding the Fourth Proportional to 103,621.28, 155,459.28 and 37,068.08

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Solution

The fourth proportional to 103,621.28, 155,459.28 and 37,068.08 is: 55,611.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,621.28 : 155,459.28 = 37,068.08 : x
  2. Step 2: Convert to fraction form
    103,621.28/155,459.28 = 37,068.08/x
  3. Step 3: Cross multiply
    103,621.28x = 155,459.28 × 37,068.08
  4. Step 4: Simplify right side
    103,621.28x = 5,762,577,027.78
  5. Step 5: Solve for x
    x = 5,762,577,027.78/103,621.28
  6. Step 6: Final answer
    x = 55,611.91

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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.