Home / 51,147.25-70,564.10-51,068.39

Finding the Fourth Proportional to 51,147.25, 70,564.10 and 51,068.39

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Solution

The fourth proportional to 51,147.25, 70,564.10 and 51,068.39 is: 70,455.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,147.25 : 70,564.10 = 51,068.39 : x
  2. Step 2: Convert to fraction form
    51,147.25/70,564.10 = 51,068.39/x
  3. Step 3: Cross multiply
    51,147.25x = 70,564.10 × 51,068.39
  4. Step 4: Simplify right side
    51,147.25x = 3,603,594,899.87
  5. Step 5: Solve for x
    x = 3,603,594,899.87/51,147.25
  6. Step 6: Final answer
    x = 70,455.30

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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.