Home / 106,440.32-146,888.64-58,695.38

Finding the Fourth Proportional to 106,440.32, 146,888.64 and 58,695.38

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Solution

The fourth proportional to 106,440.32, 146,888.64 and 58,695.38 is: 81,000.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,440.32 : 146,888.64 = 58,695.38 : x
  2. Step 2: Convert to fraction form
    106,440.32/146,888.64 = 58,695.38/x
  3. Step 3: Cross multiply
    106,440.32x = 146,888.64 × 58,695.38
  4. Step 4: Simplify right side
    106,440.32x = 8,621,684,542.48
  5. Step 5: Solve for x
    x = 8,621,684,542.48/106,440.32
  6. Step 6: Final answer
    x = 81,000.17

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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.