Home / 57,212.08-86,205.28-47,566.60

Finding the Fourth Proportional to 57,212.08, 86,205.28 and 47,566.60

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Solution

The fourth proportional to 57,212.08, 86,205.28 and 47,566.60 is: 71,671.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,212.08 : 86,205.28 = 47,566.60 : x
  2. Step 2: Convert to fraction form
    57,212.08/86,205.28 = 47,566.60/x
  3. Step 3: Cross multiply
    57,212.08x = 86,205.28 × 47,566.60
  4. Step 4: Simplify right side
    57,212.08x = 4,100,492,071.65
  5. Step 5: Solve for x
    x = 4,100,492,071.65/57,212.08
  6. Step 6: Final answer
    x = 71,671.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.