Home / 64,403.60-96,560.40-38,094.80

Finding the Fourth Proportional to 64,403.60, 96,560.40 and 38,094.80

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Solution

The fourth proportional to 64,403.60, 96,560.40 and 38,094.80 is: 57,115.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,403.60 : 96,560.40 = 38,094.80 : x
  2. Step 2: Convert to fraction form
    64,403.60/96,560.40 = 38,094.80/x
  3. Step 3: Cross multiply
    64,403.60x = 96,560.40 × 38,094.80
  4. Step 4: Simplify right side
    64,403.60x = 3,678,449,125.92
  5. Step 5: Solve for x
    x = 3,678,449,125.92/64,403.60
  6. Step 6: Final answer
    x = 57,115.58

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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.