Home / 74,800.60-112,200.59-30,426.98

Finding the Fourth Proportional to 74,800.60, 112,200.59 and 30,426.98

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Solution

The fourth proportional to 74,800.60, 112,200.59 and 30,426.98 is: 45,640.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,800.60 : 112,200.59 = 30,426.98 : x
  2. Step 2: Convert to fraction form
    74,800.60/112,200.59 = 30,426.98/x
  3. Step 3: Cross multiply
    74,800.60x = 112,200.59 × 30,426.98
  4. Step 4: Simplify right side
    74,800.60x = 3,413,924,470.85
  5. Step 5: Solve for x
    x = 3,413,924,470.85/74,800.60
  6. Step 6: Final answer
    x = 45,640.34

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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.