Home / 78,185.09-107,888.93-44,191.82

Finding the Fourth Proportional to 78,185.09, 107,888.93 and 44,191.82

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Solution

The fourth proportional to 78,185.09, 107,888.93 and 44,191.82 is: 60,981.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,185.09 : 107,888.93 = 44,191.82 : x
  2. Step 2: Convert to fraction form
    78,185.09/107,888.93 = 44,191.82/x
  3. Step 3: Cross multiply
    78,185.09x = 107,888.93 × 44,191.82
  4. Step 4: Simplify right side
    78,185.09x = 4,767,808,554.75
  5. Step 5: Solve for x
    x = 4,767,808,554.75/78,185.09
  6. Step 6: Final answer
    x = 60,981.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.