Home / 85,584.04-128,382.54-23,253.64

Finding the Fourth Proportional to 85,584.04, 128,382.54 and 23,253.64

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Solution

The fourth proportional to 85,584.04, 128,382.54 and 23,253.64 is: 34,882.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,584.04 : 128,382.54 = 23,253.64 : x
  2. Step 2: Convert to fraction form
    85,584.04/128,382.54 = 23,253.64/x
  3. Step 3: Cross multiply
    85,584.04x = 128,382.54 × 23,253.64
  4. Step 4: Simplify right side
    85,584.04x = 2,985,361,367.45
  5. Step 5: Solve for x
    x = 2,985,361,367.45/85,584.04
  6. Step 6: Final answer
    x = 34,882.22

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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.