Home / 70,561.07-105,798.67-29,986.75

Finding the Fourth Proportional to 70,561.07, 105,798.67 and 29,986.75

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Solution

The fourth proportional to 70,561.07, 105,798.67 and 29,986.75 is: 44,961.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,561.07 : 105,798.67 = 29,986.75 : x
  2. Step 2: Convert to fraction form
    70,561.07/105,798.67 = 29,986.75/x
  3. Step 3: Cross multiply
    70,561.07x = 105,798.67 × 29,986.75
  4. Step 4: Simplify right side
    70,561.07x = 3,172,558,267.62
  5. Step 5: Solve for x
    x = 3,172,558,267.62/70,561.07
  6. Step 6: Final answer
    x = 44,961.88

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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.