Home / 70,327.12-105,506.48-23,578.80

Finding the Fourth Proportional to 70,327.12, 105,506.48 and 23,578.80

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Solution

The fourth proportional to 70,327.12, 105,506.48 and 23,578.80 is: 35,373.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,327.12 : 105,506.48 = 23,578.80 : x
  2. Step 2: Convert to fraction form
    70,327.12/105,506.48 = 23,578.80/x
  3. Step 3: Cross multiply
    70,327.12x = 105,506.48 × 23,578.80
  4. Step 4: Simplify right side
    70,327.12x = 2,487,716,190.62
  5. Step 5: Solve for x
    x = 2,487,716,190.62/70,327.12
  6. Step 6: Final answer
    x = 35,373.50

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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.