Home / 106,509.95-146,984.21-58,764.70

Finding the Fourth Proportional to 106,509.95, 146,984.21 and 58,764.70

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Solution

The fourth proportional to 106,509.95, 146,984.21 and 58,764.70 is: 81,095.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,509.95 : 146,984.21 = 58,764.70 : x
  2. Step 2: Convert to fraction form
    106,509.95/146,984.21 = 58,764.70/x
  3. Step 3: Cross multiply
    106,509.95x = 146,984.21 × 58,764.70
  4. Step 4: Simplify right side
    106,509.95x = 8,637,483,115.66
  5. Step 5: Solve for x
    x = 8,637,483,115.66/106,509.95
  6. Step 6: Final answer
    x = 81,095.55

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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.