Home / 74,544.15-102,847.80-42,706.92

Finding the Fourth Proportional to 74,544.15, 102,847.80 and 42,706.92

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Solution

The fourth proportional to 74,544.15, 102,847.80 and 42,706.92 is: 58,922.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,544.15 : 102,847.80 = 42,706.92 : x
  2. Step 2: Convert to fraction form
    74,544.15/102,847.80 = 42,706.92/x
  3. Step 3: Cross multiply
    74,544.15x = 102,847.80 × 42,706.92
  4. Step 4: Simplify right side
    74,544.15x = 4,392,312,766.78
  5. Step 5: Solve for x
    x = 4,392,312,766.78/74,544.15
  6. Step 6: Final answer
    x = 58,922.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.