Home / 78,186.14-107,895.13-44,190.10

Finding the Fourth Proportional to 78,186.14, 107,895.13 and 44,190.10

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Solution

The fourth proportional to 78,186.14, 107,895.13 and 44,190.10 is: 60,981.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,186.14 : 107,895.13 = 44,190.10 : x
  2. Step 2: Convert to fraction form
    78,186.14/107,895.13 = 44,190.10/x
  3. Step 3: Cross multiply
    78,186.14x = 107,895.13 × 44,190.10
  4. Step 4: Simplify right side
    78,186.14x = 4,767,896,204.00
  5. Step 5: Solve for x
    x = 4,767,896,204.00/78,186.14
  6. Step 6: Final answer
    x = 60,981.35

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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.