Home / 53,735.05-74,162.54-38,677.55

Finding the Fourth Proportional to 53,735.05, 74,162.54 and 38,677.55

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Solution

The fourth proportional to 53,735.05, 74,162.54 and 38,677.55 is: 53,380.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,735.05 : 74,162.54 = 38,677.55 : x
  2. Step 2: Convert to fraction form
    53,735.05/74,162.54 = 38,677.55/x
  3. Step 3: Cross multiply
    53,735.05x = 74,162.54 × 38,677.55
  4. Step 4: Simplify right side
    53,735.05x = 2,868,425,274.46
  5. Step 5: Solve for x
    x = 2,868,425,274.46/53,735.05
  6. Step 6: Final answer
    x = 53,380.90

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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.