Home / 56,435.16-84,758.10-49,683.15

Finding the Fourth Proportional to 56,435.16, 84,758.10 and 49,683.15

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Solution

The fourth proportional to 56,435.16, 84,758.10 and 49,683.15 is: 74,617.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,435.16 : 84,758.10 = 49,683.15 : x
  2. Step 2: Convert to fraction form
    56,435.16/84,758.10 = 49,683.15/x
  3. Step 3: Cross multiply
    56,435.16x = 84,758.10 × 49,683.15
  4. Step 4: Simplify right side
    56,435.16x = 4,211,049,396.02
  5. Step 5: Solve for x
    x = 4,211,049,396.02/56,435.16
  6. Step 6: Final answer
    x = 74,617.48

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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.