Home / 103,036.41-154,576.80-31,957.65

Finding the Fourth Proportional to 103,036.41, 154,576.80 and 31,957.65

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Solution

The fourth proportional to 103,036.41, 154,576.80 and 31,957.65 is: 47,943.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,036.41 : 154,576.80 = 31,957.65 : x
  2. Step 2: Convert to fraction form
    103,036.41/154,576.80 = 31,957.65/x
  3. Step 3: Cross multiply
    103,036.41x = 154,576.80 × 31,957.65
  4. Step 4: Simplify right side
    103,036.41x = 4,939,911,272.52
  5. Step 5: Solve for x
    x = 4,939,911,272.52/103,036.41
  6. Step 6: Final answer
    x = 47,943.36

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.