Home / 68,629.59-94,709.16-38,415.51

Finding the Fourth Proportional to 68,629.59, 94,709.16 and 38,415.51

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Solution

The fourth proportional to 68,629.59, 94,709.16 and 38,415.51 is: 53,013.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,629.59 : 94,709.16 = 38,415.51 : x
  2. Step 2: Convert to fraction form
    68,629.59/94,709.16 = 38,415.51/x
  3. Step 3: Cross multiply
    68,629.59x = 94,709.16 × 38,415.51
  4. Step 4: Simplify right side
    68,629.59x = 3,638,300,683.07
  5. Step 5: Solve for x
    x = 3,638,300,683.07/68,629.59
  6. Step 6: Final answer
    x = 53,013.59

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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.