Home / 97,321.02-134,307.60-54,878.64

Finding the Fourth Proportional to 97,321.02, 134,307.60 and 54,878.64

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Solution

The fourth proportional to 97,321.02, 134,307.60 and 54,878.64 is: 75,735.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,321.02 : 134,307.60 = 54,878.64 : x
  2. Step 2: Convert to fraction form
    97,321.02/134,307.60 = 54,878.64/x
  3. Step 3: Cross multiply
    97,321.02x = 134,307.60 × 54,878.64
  4. Step 4: Simplify right side
    97,321.02x = 7,370,618,429.66
  5. Step 5: Solve for x
    x = 7,370,618,429.66/97,321.02
  6. Step 6: Final answer
    x = 75,735.11

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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.