Home / 64,135.01-88,505.69-35,840.72

Finding the Fourth Proportional to 64,135.01, 88,505.69 and 35,840.72

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Solution

The fourth proportional to 64,135.01, 88,505.69 and 35,840.72 is: 49,459.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,135.01 : 88,505.69 = 35,840.72 : x
  2. Step 2: Convert to fraction form
    64,135.01/88,505.69 = 35,840.72/x
  3. Step 3: Cross multiply
    64,135.01x = 88,505.69 × 35,840.72
  4. Step 4: Simplify right side
    64,135.01x = 3,172,107,031.96
  5. Step 5: Solve for x
    x = 3,172,107,031.96/64,135.01
  6. Step 6: Final answer
    x = 49,459.84

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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.