Home / 70,858.50-97,776.23-40,642.26

Finding the Fourth Proportional to 70,858.50, 97,776.23 and 40,642.26

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Solution

The fourth proportional to 70,858.50, 97,776.23 and 40,642.26 is: 56,081.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,858.50 : 97,776.23 = 40,642.26 : x
  2. Step 2: Convert to fraction form
    70,858.50/97,776.23 = 40,642.26/x
  3. Step 3: Cross multiply
    70,858.50x = 97,776.23 × 40,642.26
  4. Step 4: Simplify right side
    70,858.50x = 3,973,846,758.27
  5. Step 5: Solve for x
    x = 3,973,846,758.27/70,858.50
  6. Step 6: Final answer
    x = 56,081.44

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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.