Home / 74,428.90-111,641.55-44,824.30

Finding the Fourth Proportional to 74,428.90, 111,641.55 and 44,824.30

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Solution

The fourth proportional to 74,428.90, 111,641.55 and 44,824.30 is: 67,235.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,428.90 : 111,641.55 = 44,824.30 : x
  2. Step 2: Convert to fraction form
    74,428.90/111,641.55 = 44,824.30/x
  3. Step 3: Cross multiply
    74,428.90x = 111,641.55 × 44,824.30
  4. Step 4: Simplify right side
    74,428.90x = 5,004,254,329.67
  5. Step 5: Solve for x
    x = 5,004,254,329.67/74,428.90
  6. Step 6: Final answer
    x = 67,235.37

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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.