Home / 71,505.21-98,681.87-41,291.81

Finding the Fourth Proportional to 71,505.21, 98,681.87 and 41,291.81

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Solution

The fourth proportional to 71,505.21, 98,681.87 and 41,291.81 is: 56,985.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,505.21 : 98,681.87 = 41,291.81 : x
  2. Step 2: Convert to fraction form
    71,505.21/98,681.87 = 41,291.81/x
  3. Step 3: Cross multiply
    71,505.21x = 98,681.87 × 41,291.81
  4. Step 4: Simplify right side
    71,505.21x = 4,074,753,006.36
  5. Step 5: Solve for x
    x = 4,074,753,006.36/71,505.21
  6. Step 6: Final answer
    x = 56,985.40

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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.