Home / 105,948.46-146,210.70-58,203.82

Finding the Fourth Proportional to 105,948.46, 146,210.70 and 58,203.82

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Solution

The fourth proportional to 105,948.46, 146,210.70 and 58,203.82 is: 80,322.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,948.46 : 146,210.70 = 58,203.82 : x
  2. Step 2: Convert to fraction form
    105,948.46/146,210.70 = 58,203.82/x
  3. Step 3: Cross multiply
    105,948.46x = 146,210.70 × 58,203.82
  4. Step 4: Simplify right side
    105,948.46x = 8,510,021,264.87
  5. Step 5: Solve for x
    x = 8,510,021,264.87/105,948.46
  6. Step 6: Final answer
    x = 80,322.27

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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.