Home / 78,186.51-107,895.65-44,190.47

Finding the Fourth Proportional to 78,186.51, 107,895.65 and 44,190.47

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Solution

The fourth proportional to 78,186.51, 107,895.65 and 44,190.47 is: 60,981.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,186.51 : 107,895.65 = 44,190.47 : x
  2. Step 2: Convert to fraction form
    78,186.51/107,895.65 = 44,190.47/x
  3. Step 3: Cross multiply
    78,186.51x = 107,895.65 × 44,190.47
  4. Step 4: Simplify right side
    78,186.51x = 4,767,959,533.24
  5. Step 5: Solve for x
    x = 4,767,959,533.24/78,186.51
  6. Step 6: Final answer
    x = 60,981.87

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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.