Home / 106,256.81-146,634.40-58,510.05

Finding the Fourth Proportional to 106,256.81, 146,634.40 and 58,510.05

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Solution

The fourth proportional to 106,256.81, 146,634.40 and 58,510.05 is: 80,743.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,256.81 : 146,634.40 = 58,510.05 : x
  2. Step 2: Convert to fraction form
    106,256.81/146,634.40 = 58,510.05/x
  3. Step 3: Cross multiply
    106,256.81x = 146,634.40 × 58,510.05
  4. Step 4: Simplify right side
    106,256.81x = 8,579,585,598.98
  5. Step 5: Solve for x
    x = 8,579,585,598.98/106,256.81
  6. Step 6: Final answer
    x = 80,743.86

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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.