Home / 83,748.51-115,575.53-47,950.02

Finding the Fourth Proportional to 83,748.51, 115,575.53 and 47,950.02

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Solution

The fourth proportional to 83,748.51, 115,575.53 and 47,950.02 is: 66,172.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,748.51 : 115,575.53 = 47,950.02 : x
  2. Step 2: Convert to fraction form
    83,748.51/115,575.53 = 47,950.02/x
  3. Step 3: Cross multiply
    83,748.51x = 115,575.53 × 47,950.02
  4. Step 4: Simplify right side
    83,748.51x = 5,541,848,735.26
  5. Step 5: Solve for x
    x = 5,541,848,735.26/83,748.51
  6. Step 6: Final answer
    x = 66,172.51

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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.