Home / 115,411.10-173,139.09-44,328.52

Finding the Fourth Proportional to 115,411.10, 173,139.09 and 44,328.52

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Solution

The fourth proportional to 115,411.10, 173,139.09 and 44,328.52 is: 66,501.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,411.10 : 173,139.09 = 44,328.52 : x
  2. Step 2: Convert to fraction form
    115,411.10/173,139.09 = 44,328.52/x
  3. Step 3: Cross multiply
    115,411.10x = 173,139.09 × 44,328.52
  4. Step 4: Simplify right side
    115,411.10x = 7,674,999,064.15
  5. Step 5: Solve for x
    x = 7,674,999,064.15/115,411.10
  6. Step 6: Final answer
    x = 66,501.39

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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.