Home / 77,251.79-115,848.51-35,669.63

Finding the Fourth Proportional to 77,251.79, 115,848.51 and 35,669.63

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Solution

The fourth proportional to 77,251.79, 115,848.51 and 35,669.63 is: 53,490.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,251.79 : 115,848.51 = 35,669.63 : x
  2. Step 2: Convert to fraction form
    77,251.79/115,848.51 = 35,669.63/x
  3. Step 3: Cross multiply
    77,251.79x = 115,848.51 × 35,669.63
  4. Step 4: Simplify right side
    77,251.79x = 4,132,272,908.51
  5. Step 5: Solve for x
    x = 4,132,272,908.51/77,251.79
  6. Step 6: Final answer
    x = 53,490.97

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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.