Home / 103,417.12-155,133.24-33,346.72

Finding the Fourth Proportional to 103,417.12, 155,133.24 and 33,346.72

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Solution

The fourth proportional to 103,417.12, 155,133.24 and 33,346.72 is: 50,022.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,417.12 : 155,133.24 = 33,346.72 : x
  2. Step 2: Convert to fraction form
    103,417.12/155,133.24 = 33,346.72/x
  3. Step 3: Cross multiply
    103,417.12x = 155,133.24 × 33,346.72
  4. Step 4: Simplify right side
    103,417.12x = 5,173,184,716.97
  5. Step 5: Solve for x
    x = 5,173,184,716.97/103,417.12
  6. Step 6: Final answer
    x = 50,022.52

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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.