Home / 53,735.20-74,081.92-45,337.12

Finding the Fourth Proportional to 53,735.20, 74,081.92 and 45,337.12

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Solution

The fourth proportional to 53,735.20, 74,081.92 and 45,337.12 is: 62,503.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,735.20 : 74,081.92 = 45,337.12 : x
  2. Step 2: Convert to fraction form
    53,735.20/74,081.92 = 45,337.12/x
  3. Step 3: Cross multiply
    53,735.20x = 74,081.92 × 45,337.12
  4. Step 4: Simplify right side
    53,735.20x = 3,358,660,896.87
  5. Step 5: Solve for x
    x = 3,358,660,896.87/53,735.20
  6. Step 6: Final answer
    x = 62,503.92

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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.