Home / 98,795.72-136,050.86-85,869.32

Finding the Fourth Proportional to 98,795.72, 136,050.86 and 85,869.32

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Solution

The fourth proportional to 98,795.72, 136,050.86 and 85,869.32 is: 118,250.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,795.72 : 136,050.86 = 85,869.32 : x
  2. Step 2: Convert to fraction form
    98,795.72/136,050.86 = 85,869.32/x
  3. Step 3: Cross multiply
    98,795.72x = 136,050.86 × 85,869.32
  4. Step 4: Simplify right side
    98,795.72x = 11,682,594,833.62
  5. Step 5: Solve for x
    x = 11,682,594,833.62/98,795.72
  6. Step 6: Final answer
    x = 118,250.01

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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.