Home / 70,168.08-105,253.04-23,420.92

Finding the Fourth Proportional to 70,168.08, 105,253.04 and 23,420.92

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Solution

The fourth proportional to 70,168.08, 105,253.04 and 23,420.92 is: 35,131.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,168.08 : 105,253.04 = 23,420.92 : x
  2. Step 2: Convert to fraction form
    70,168.08/105,253.04 = 23,420.92/x
  3. Step 3: Cross multiply
    70,168.08x = 105,253.04 × 23,420.92
  4. Step 4: Simplify right side
    70,168.08x = 2,465,123,029.60
  5. Step 5: Solve for x
    x = 2,465,123,029.60/70,168.08
  6. Step 6: Final answer
    x = 35,131.69

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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.