Home / 64,911.11-97,426.80-39,999.83

Finding the Fourth Proportional to 64,911.11, 97,426.80 and 39,999.83

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Solution

The fourth proportional to 64,911.11, 97,426.80 and 39,999.83 is: 60,036.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,911.11 : 97,426.80 = 39,999.83 : x
  2. Step 2: Convert to fraction form
    64,911.11/97,426.80 = 39,999.83/x
  3. Step 3: Cross multiply
    64,911.11x = 97,426.80 × 39,999.83
  4. Step 4: Simplify right side
    64,911.11x = 3,897,054,950.31
  5. Step 5: Solve for x
    x = 3,897,054,950.31/64,911.11
  6. Step 6: Final answer
    x = 60,036.80

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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.