Home / 113,795.53-157,090.97-66,039.65

Finding the Fourth Proportional to 113,795.53, 157,090.97 and 66,039.65

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Solution

The fourth proportional to 113,795.53, 157,090.97 and 66,039.65 is: 91,165.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,795.53 : 157,090.97 = 66,039.65 : x
  2. Step 2: Convert to fraction form
    113,795.53/157,090.97 = 66,039.65/x
  3. Step 3: Cross multiply
    113,795.53x = 157,090.97 × 66,039.65
  4. Step 4: Simplify right side
    113,795.53x = 10,374,231,561.31
  5. Step 5: Solve for x
    x = 10,374,231,561.31/113,795.53
  6. Step 6: Final answer
    x = 91,165.55

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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.