Home / 106,036.65-146,326.88-58,289.66

Finding the Fourth Proportional to 106,036.65, 146,326.88 and 58,289.66

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Solution

The fourth proportional to 106,036.65, 146,326.88 and 58,289.66 is: 80,437.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,036.65 : 146,326.88 = 58,289.66 : x
  2. Step 2: Convert to fraction form
    106,036.65/146,326.88 = 58,289.66/x
  3. Step 3: Cross multiply
    106,036.65x = 146,326.88 × 58,289.66
  4. Step 4: Simplify right side
    106,036.65x = 8,529,343,060.98
  5. Step 5: Solve for x
    x = 8,529,343,060.98/106,036.65
  6. Step 6: Final answer
    x = 80,437.69

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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.