Home / 106,264.96-146,639.80-58,509.28

Finding the Fourth Proportional to 106,264.96, 146,639.80 and 58,509.28

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Solution

The fourth proportional to 106,264.96, 146,639.80 and 58,509.28 is: 80,739.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,264.96 : 146,639.80 = 58,509.28 : x
  2. Step 2: Convert to fraction form
    106,264.96/146,639.80 = 58,509.28/x
  3. Step 3: Cross multiply
    106,264.96x = 146,639.80 × 58,509.28
  4. Step 4: Simplify right side
    106,264.96x = 8,579,789,117.34
  5. Step 5: Solve for x
    x = 8,579,789,117.34/106,264.96
  6. Step 6: Final answer
    x = 80,739.59

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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.