Home / 105,984.18-146,261.43-58,239

Finding the Fourth Proportional to 105,984.18, 146,261.43 and 58,239

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Solution

The fourth proportional to 105,984.18, 146,261.43 and 58,239 is: 80,371.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,984.18 : 146,261.43 = 58,239 : x
  2. Step 2: Convert to fraction form
    105,984.18/146,261.43 = 58,239/x
  3. Step 3: Cross multiply
    105,984.18x = 146,261.43 × 58,239
  4. Step 4: Simplify right side
    105,984.18x = 8,518,119,421.77
  5. Step 5: Solve for x
    x = 8,518,119,421.77/105,984.18
  6. Step 6: Final answer
    x = 80,371.61

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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.