Home / 90,441.40-124,812.24-54,624.28

Finding the Fourth Proportional to 90,441.40, 124,812.24 and 54,624.28

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Solution

The fourth proportional to 90,441.40, 124,812.24 and 54,624.28 is: 75,383.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,441.40 : 124,812.24 = 54,624.28 : x
  2. Step 2: Convert to fraction form
    90,441.40/124,812.24 = 54,624.28/x
  3. Step 3: Cross multiply
    90,441.40x = 124,812.24 × 54,624.28
  4. Step 4: Simplify right side
    90,441.40x = 6,817,778,745.19
  5. Step 5: Solve for x
    x = 6,817,778,745.19/90,441.40
  6. Step 6: Final answer
    x = 75,383.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.