Home / 87,076.07-130,606.57-61,670.55

Finding the Fourth Proportional to 87,076.07, 130,606.57 and 61,670.55

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Solution

The fourth proportional to 87,076.07, 130,606.57 and 61,670.55 is: 92,500.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,076.07 : 130,606.57 = 61,670.55 : x
  2. Step 2: Convert to fraction form
    87,076.07/130,606.57 = 61,670.55/x
  3. Step 3: Cross multiply
    87,076.07x = 130,606.57 × 61,670.55
  4. Step 4: Simplify right side
    87,076.07x = 8,054,579,005.51
  5. Step 5: Solve for x
    x = 8,054,579,005.51/87,076.07
  6. Step 6: Final answer
    x = 92,500.49

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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.