Home / 101,910.36-152,875.26-39,585.72

Finding the Fourth Proportional to 101,910.36, 152,875.26 and 39,585.72

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Solution

The fourth proportional to 101,910.36, 152,875.26 and 39,585.72 is: 59,382.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,910.36 : 152,875.26 = 39,585.72 : x
  2. Step 2: Convert to fraction form
    101,910.36/152,875.26 = 39,585.72/x
  3. Step 3: Cross multiply
    101,910.36x = 152,875.26 × 39,585.72
  4. Step 4: Simplify right side
    101,910.36x = 6,051,677,237.29
  5. Step 5: Solve for x
    x = 6,051,677,237.29/101,910.36
  6. Step 6: Final answer
    x = 59,382.36

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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.