Home / 85,618.97-118,127.40-51,637.85

Finding the Fourth Proportional to 85,618.97, 118,127.40 and 51,637.85

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Solution

The fourth proportional to 85,618.97, 118,127.40 and 51,637.85 is: 71,244.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,618.97 : 118,127.40 = 51,637.85 : x
  2. Step 2: Convert to fraction form
    85,618.97/118,127.40 = 51,637.85/x
  3. Step 3: Cross multiply
    85,618.97x = 118,127.40 × 51,637.85
  4. Step 4: Simplify right side
    85,618.97x = 6,099,844,962.09
  5. Step 5: Solve for x
    x = 6,099,844,962.09/85,618.97
  6. Step 6: Final answer
    x = 71,244.08

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1.5x scale

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.