Home / 103,639.04-155,507.74-44,491.56

Finding the Fourth Proportional to 103,639.04, 155,507.74 and 44,491.56

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Solution

The fourth proportional to 103,639.04, 155,507.74 and 44,491.56 is: 66,758.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,639.04 : 155,507.74 = 44,491.56 : x
  2. Step 2: Convert to fraction form
    103,639.04/155,507.74 = 44,491.56/x
  3. Step 3: Cross multiply
    103,639.04x = 155,507.74 × 44,491.56
  4. Step 4: Simplify right side
    103,639.04x = 6,918,781,944.67
  5. Step 5: Solve for x
    x = 6,918,781,944.67/103,639.04
  6. Step 6: Final answer
    x = 66,758.45

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1.5x scale

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.