Home / 106,256.76-146,634.34-58,509.98

Finding the Fourth Proportional to 106,256.76, 146,634.34 and 58,509.98

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Solution

The fourth proportional to 106,256.76, 146,634.34 and 58,509.98 is: 80,743.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,256.76 : 146,634.34 = 58,509.98 : x
  2. Step 2: Convert to fraction form
    106,256.76/146,634.34 = 58,509.98/x
  3. Step 3: Cross multiply
    106,256.76x = 146,634.34 × 58,509.98
  4. Step 4: Simplify right side
    106,256.76x = 8,579,572,300.71
  5. Step 5: Solve for x
    x = 8,579,572,300.71/106,256.76
  6. Step 6: Final answer
    x = 80,743.78

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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.