Home / 70,339.12-105,524.48-23,590.80

Finding the Fourth Proportional to 70,339.12, 105,524.48 and 23,590.80

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Solution

The fourth proportional to 70,339.12, 105,524.48 and 23,590.80 is: 35,391.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,339.12 : 105,524.48 = 23,590.80 : x
  2. Step 2: Convert to fraction form
    70,339.12/105,524.48 = 23,590.80/x
  3. Step 3: Cross multiply
    70,339.12x = 105,524.48 × 23,590.80
  4. Step 4: Simplify right side
    70,339.12x = 2,489,406,902.78
  5. Step 5: Solve for x
    x = 2,489,406,902.78/70,339.12
  6. Step 6: Final answer
    x = 35,391.50

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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.