Home / 85,848.62-118,495.78-51,851.70

Finding the Fourth Proportional to 85,848.62, 118,495.78 and 51,851.70

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Solution

The fourth proportional to 85,848.62, 118,495.78 and 51,851.70 is: 71,570.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,848.62 : 118,495.78 = 51,851.70 : x
  2. Step 2: Convert to fraction form
    85,848.62/118,495.78 = 51,851.70/x
  3. Step 3: Cross multiply
    85,848.62x = 118,495.78 × 51,851.70
  4. Step 4: Simplify right side
    85,848.62x = 6,144,207,506.20
  5. Step 5: Solve for x
    x = 6,144,207,506.20/85,848.62
  6. Step 6: Final answer
    x = 71,570.26

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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.