Home / 64,114.55-96,191.18-19,137.36

Finding the Fourth Proportional to 64,114.55, 96,191.18 and 19,137.36

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Solution

The fourth proportional to 64,114.55, 96,191.18 and 19,137.36 is: 28,711.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,114.55 : 96,191.18 = 19,137.36 : x
  2. Step 2: Convert to fraction form
    64,114.55/96,191.18 = 19,137.36/x
  3. Step 3: Cross multiply
    64,114.55x = 96,191.18 × 19,137.36
  4. Step 4: Simplify right side
    64,114.55x = 1,840,845,293.11
  5. Step 5: Solve for x
    x = 1,840,845,293.11/64,114.55
  6. Step 6: Final answer
    x = 28,711.82

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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.