Home / 102,243.10-153,340.80-39,040.01

Finding the Fourth Proportional to 102,243.10, 153,340.80 and 39,040.01

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Solution

The fourth proportional to 102,243.10, 153,340.80 and 39,040.01 is: 58,550.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,243.10 : 153,340.80 = 39,040.01 : x
  2. Step 2: Convert to fraction form
    102,243.10/153,340.80 = 39,040.01/x
  3. Step 3: Cross multiply
    102,243.10x = 153,340.80 × 39,040.01
  4. Step 4: Simplify right side
    102,243.10x = 5,986,426,365.41
  5. Step 5: Solve for x
    x = 5,986,426,365.41/102,243.10
  6. Step 6: Final answer
    x = 58,550.91

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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.