Home / 70,529.21-105,793.35-17,938.24

Finding the Fourth Proportional to 70,529.21, 105,793.35 and 17,938.24

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Solution

The fourth proportional to 70,529.21, 105,793.35 and 17,938.24 is: 26,907.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,529.21 : 105,793.35 = 17,938.24 : x
  2. Step 2: Convert to fraction form
    70,529.21/105,793.35 = 17,938.24/x
  3. Step 3: Cross multiply
    70,529.21x = 105,793.35 × 17,938.24
  4. Step 4: Simplify right side
    70,529.21x = 1,897,746,502.70
  5. Step 5: Solve for x
    x = 1,897,746,502.70/70,529.21
  6. Step 6: Final answer
    x = 26,907.24

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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.