Home / 115,802.89-173,718.35-40,907.71

Finding the Fourth Proportional to 115,802.89, 173,718.35 and 40,907.71

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Solution

The fourth proportional to 115,802.89, 173,718.35 and 40,907.71 is: 61,366.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,802.89 : 173,718.35 = 40,907.71 : x
  2. Step 2: Convert to fraction form
    115,802.89/173,718.35 = 40,907.71/x
  3. Step 3: Cross multiply
    115,802.89x = 173,718.35 × 40,907.71
  4. Step 4: Simplify right side
    115,802.89x = 7,106,419,883.48
  5. Step 5: Solve for x
    x = 7,106,419,883.48/115,802.89
  6. Step 6: Final answer
    x = 61,366.52

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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.