Home / 57,079.17-85,631.76-30,783.33

Finding the Fourth Proportional to 57,079.17, 85,631.76 and 30,783.33

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Solution

The fourth proportional to 57,079.17, 85,631.76 and 30,783.33 is: 46,182.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,079.17 : 85,631.76 = 30,783.33 : x
  2. Step 2: Convert to fraction form
    57,079.17/85,631.76 = 30,783.33/x
  3. Step 3: Cross multiply
    57,079.17x = 85,631.76 × 30,783.33
  4. Step 4: Simplify right side
    57,079.17x = 2,636,030,726.56
  5. Step 5: Solve for x
    x = 2,636,030,726.56/57,079.17
  6. Step 6: Final answer
    x = 46,182.01

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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.