Home / 57,497.14-86,130.89-45,670.94

Finding the Fourth Proportional to 57,497.14, 86,130.89 and 45,670.94

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Solution

The fourth proportional to 57,497.14, 86,130.89 and 45,670.94 is: 68,415.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,497.14 : 86,130.89 = 45,670.94 : x
  2. Step 2: Convert to fraction form
    57,497.14/86,130.89 = 45,670.94/x
  3. Step 3: Cross multiply
    57,497.14x = 86,130.89 × 45,670.94
  4. Step 4: Simplify right side
    57,497.14x = 3,933,678,801.48
  5. Step 5: Solve for x
    x = 3,933,678,801.48/57,497.14
  6. Step 6: Final answer
    x = 68,415.21

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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.