Home / 57,365.75-85,889.16-43,283.30

Finding the Fourth Proportional to 57,365.75, 85,889.16 and 43,283.30

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Solution

The fourth proportional to 57,365.75, 85,889.16 and 43,283.30 is: 64,804.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,365.75 : 85,889.16 = 43,283.30 : x
  2. Step 2: Convert to fraction form
    57,365.75/85,889.16 = 43,283.30/x
  3. Step 3: Cross multiply
    57,365.75x = 85,889.16 × 43,283.30
  4. Step 4: Simplify right side
    57,365.75x = 3,717,565,849.58
  5. Step 5: Solve for x
    x = 3,717,565,849.58/57,365.75
  6. Step 6: Final answer
    x = 64,804.62

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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.