Home / 85,544.12-128,316.54-35,593.04

Finding the Fourth Proportional to 85,544.12, 128,316.54 and 35,593.04

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Solution

The fourth proportional to 85,544.12, 128,316.54 and 35,593.04 is: 53,389.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,544.12 : 128,316.54 = 35,593.04 : x
  2. Step 2: Convert to fraction form
    85,544.12/128,316.54 = 35,593.04/x
  3. Step 3: Cross multiply
    85,544.12x = 128,316.54 × 35,593.04
  4. Step 4: Simplify right side
    85,544.12x = 4,567,175,740.88
  5. Step 5: Solve for x
    x = 4,567,175,740.88/85,544.12
  6. Step 6: Final answer
    x = 53,389.71

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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.