Home / 74,572.25-111,756.11-39,441.74

Finding the Fourth Proportional to 74,572.25, 111,756.11 and 39,441.74

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Solution

The fourth proportional to 74,572.25, 111,756.11 and 39,441.74 is: 59,108.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,572.25 : 111,756.11 = 39,441.74 : x
  2. Step 2: Convert to fraction form
    74,572.25/111,756.11 = 39,441.74/x
  3. Step 3: Cross multiply
    74,572.25x = 111,756.11 × 39,441.74
  4. Step 4: Simplify right side
    74,572.25x = 4,407,854,678.04
  5. Step 5: Solve for x
    x = 4,407,854,678.04/74,572.25
  6. Step 6: Final answer
    x = 59,108.52

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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.