Home / 74,428.20-111,642.30-44,903.70

Finding the Fourth Proportional to 74,428.20, 111,642.30 and 44,903.70

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Solution

The fourth proportional to 74,428.20, 111,642.30 and 44,903.70 is: 67,355.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,428.20 : 111,642.30 = 44,903.70 : x
  2. Step 2: Convert to fraction form
    74,428.20/111,642.30 = 44,903.70/x
  3. Step 3: Cross multiply
    74,428.20x = 111,642.30 × 44,903.70
  4. Step 4: Simplify right side
    74,428.20x = 5,013,152,346.51
  5. Step 5: Solve for x
    x = 5,013,152,346.51/74,428.20
  6. Step 6: Final answer
    x = 67,355.55

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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.