Home / 74,087.19-111,142.32-24,155.70

Finding the Fourth Proportional to 74,087.19, 111,142.32 and 24,155.70

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Solution

The fourth proportional to 74,087.19, 111,142.32 and 24,155.70 is: 36,237.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,087.19 : 111,142.32 = 24,155.70 : x
  2. Step 2: Convert to fraction form
    74,087.19/111,142.32 = 24,155.70/x
  3. Step 3: Cross multiply
    74,087.19x = 111,142.32 × 24,155.70
  4. Step 4: Simplify right side
    74,087.19x = 2,684,720,539.22
  5. Step 5: Solve for x
    x = 2,684,720,539.22/74,087.19
  6. Step 6: Final answer
    x = 36,237.31

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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.