Home / 124,576.25-171,924.35-70,878.51

Finding the Fourth Proportional to 124,576.25, 171,924.35 and 70,878.51

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Solution

The fourth proportional to 124,576.25, 171,924.35 and 70,878.51 is: 97,817.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,576.25 : 171,924.35 = 70,878.51 : x
  2. Step 2: Convert to fraction form
    124,576.25/171,924.35 = 70,878.51/x
  3. Step 3: Cross multiply
    124,576.25x = 171,924.35 × 70,878.51
  4. Step 4: Simplify right side
    124,576.25x = 12,185,741,406.33
  5. Step 5: Solve for x
    x = 12,185,741,406.33/124,576.25
  6. Step 6: Final answer
    x = 97,817.54

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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.