Home / 105,988.41-146,265.17-58,241.77

Finding the Fourth Proportional to 105,988.41, 146,265.17 and 58,241.77

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Solution

The fourth proportional to 105,988.41, 146,265.17 and 58,241.77 is: 80,374.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,988.41 : 146,265.17 = 58,241.77 : x
  2. Step 2: Convert to fraction form
    105,988.41/146,265.17 = 58,241.77/x
  3. Step 3: Cross multiply
    105,988.41x = 146,265.17 × 58,241.77
  4. Step 4: Simplify right side
    105,988.41x = 8,518,742,390.15
  5. Step 5: Solve for x
    x = 8,518,742,390.15/105,988.41
  6. Step 6: Final answer
    x = 80,374.28

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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.