Home / 70,421.92-105,561.76-44,145.08

Finding the Fourth Proportional to 70,421.92, 105,561.76 and 44,145.08

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Solution

The fourth proportional to 70,421.92, 105,561.76 and 44,145.08 is: 66,173.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,421.92 : 105,561.76 = 44,145.08 : x
  2. Step 2: Convert to fraction form
    70,421.92/105,561.76 = 44,145.08/x
  3. Step 3: Cross multiply
    70,421.92x = 105,561.76 × 44,145.08
  4. Step 4: Simplify right side
    70,421.92x = 4,660,032,340.14
  5. Step 5: Solve for x
    x = 4,660,032,340.14/70,421.92
  6. Step 6: Final answer
    x = 66,173.04

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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.