Home / 62,302.20-85,976.46-38,419.32

Finding the Fourth Proportional to 62,302.20, 85,976.46 and 38,419.32

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Solution

The fourth proportional to 62,302.20, 85,976.46 and 38,419.32 is: 53,018.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,302.20 : 85,976.46 = 38,419.32 : x
  2. Step 2: Convert to fraction form
    62,302.20/85,976.46 = 38,419.32/x
  3. Step 3: Cross multiply
    62,302.20x = 85,976.46 × 38,419.32
  4. Step 4: Simplify right side
    62,302.20x = 3,303,157,129.21
  5. Step 5: Solve for x
    x = 3,303,157,129.21/62,302.20
  6. Step 6: Final answer
    x = 53,018.31

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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.