Home / 57,216-78,962.94-32,070.36

Finding the Fourth Proportional to 57,216, 78,962.94 and 32,070.36

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Solution

The fourth proportional to 57,216, 78,962.94 and 32,070.36 is: 44,259.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,216 : 78,962.94 = 32,070.36 : x
  2. Step 2: Convert to fraction form
    57,216/78,962.94 = 32,070.36/x
  3. Step 3: Cross multiply
    57,216x = 78,962.94 × 32,070.36
  4. Step 4: Simplify right side
    57,216x = 2,532,369,912.46
  5. Step 5: Solve for x
    x = 2,532,369,912.46/57,216
  6. Step 6: Final answer
    x = 44,259.82

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.