Home / 85,559.11-128,347.47-32,295.96

Finding the Fourth Proportional to 85,559.11, 128,347.47 and 32,295.96

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Solution

The fourth proportional to 85,559.11, 128,347.47 and 32,295.96 is: 48,447.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,559.11 : 128,347.47 = 32,295.96 : x
  2. Step 2: Convert to fraction form
    85,559.11/128,347.47 = 32,295.96/x
  3. Step 3: Cross multiply
    85,559.11x = 128,347.47 × 32,295.96
  4. Step 4: Simplify right side
    85,559.11x = 4,145,104,115.48
  5. Step 5: Solve for x
    x = 4,145,104,115.48/85,559.11
  6. Step 6: Final answer
    x = 48,447.25

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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.