Home / 74,295.06-111,441.34-29,920.70

Finding the Fourth Proportional to 74,295.06, 111,441.34 and 29,920.70

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Solution

The fourth proportional to 74,295.06, 111,441.34 and 29,920.70 is: 44,880.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,295.06 : 111,441.34 = 29,920.70 : x
  2. Step 2: Convert to fraction form
    74,295.06/111,441.34 = 29,920.70/x
  3. Step 3: Cross multiply
    74,295.06x = 111,441.34 × 29,920.70
  4. Step 4: Simplify right side
    74,295.06x = 3,334,402,901.74
  5. Step 5: Solve for x
    x = 3,334,402,901.74/74,295.06
  6. Step 6: Final answer
    x = 44,880.55

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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.