Home / 75,758.36-113,670.34-40,657.01

Finding the Fourth Proportional to 75,758.36, 113,670.34 and 40,657.01

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Solution

The fourth proportional to 75,758.36, 113,670.34 and 40,657.01 is: 61,003.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,758.36 : 113,670.34 = 40,657.01 : x
  2. Step 2: Convert to fraction form
    75,758.36/113,670.34 = 40,657.01/x
  3. Step 3: Cross multiply
    75,758.36x = 113,670.34 × 40,657.01
  4. Step 4: Simplify right side
    75,758.36x = 4,621,495,480.09
  5. Step 5: Solve for x
    x = 4,621,495,480.09/75,758.36
  6. Step 6: Final answer
    x = 61,003.11

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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.