Home / 57,342.30-86,013.45-39,627.60

Finding the Fourth Proportional to 57,342.30, 86,013.45 and 39,627.60

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Solution

The fourth proportional to 57,342.30, 86,013.45 and 39,627.60 is: 59,441.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,342.30 : 86,013.45 = 39,627.60 : x
  2. Step 2: Convert to fraction form
    57,342.30/86,013.45 = 39,627.60/x
  3. Step 3: Cross multiply
    57,342.30x = 86,013.45 × 39,627.60
  4. Step 4: Simplify right side
    57,342.30x = 3,408,506,591.22
  5. Step 5: Solve for x
    x = 3,408,506,591.22/57,342.30
  6. Step 6: Final answer
    x = 59,441.40

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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.