Home / 43,113.51-64,677.56-19,741.77

Finding the Fourth Proportional to 43,113.51, 64,677.56 and 19,741.77

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Solution

The fourth proportional to 43,113.51, 64,677.56 and 19,741.77 is: 29,615.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,113.51 : 64,677.56 = 19,741.77 : x
  2. Step 2: Convert to fraction form
    43,113.51/64,677.56 = 19,741.77/x
  3. Step 3: Cross multiply
    43,113.51x = 64,677.56 × 19,741.77
  4. Step 4: Simplify right side
    43,113.51x = 1,276,849,414.97
  5. Step 5: Solve for x
    x = 1,276,849,414.97/43,113.51
  6. Step 6: Final answer
    x = 29,615.99

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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.