Home / 99,795.51-149,613.75-57,627.72

Finding the Fourth Proportional to 99,795.51, 149,613.75 and 57,627.72

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Solution

The fourth proportional to 99,795.51, 149,613.75 and 57,627.72 is: 86,395.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,795.51 : 149,613.75 = 57,627.72 : x
  2. Step 2: Convert to fraction form
    99,795.51/149,613.75 = 57,627.72/x
  3. Step 3: Cross multiply
    99,795.51x = 149,613.75 × 57,627.72
  4. Step 4: Simplify right side
    99,795.51x = 8,621,899,293.15
  5. Step 5: Solve for x
    x = 8,621,899,293.15/99,795.51
  6. Step 6: Final answer
    x = 86,395.66

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.