Home / 61,813.68-85,303.38-36,313.20

Finding the Fourth Proportional to 61,813.68, 85,303.38 and 36,313.20

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Solution

The fourth proportional to 61,813.68, 85,303.38 and 36,313.20 is: 50,112.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,813.68 : 85,303.38 = 36,313.20 : x
  2. Step 2: Convert to fraction form
    61,813.68/85,303.38 = 36,313.20/x
  3. Step 3: Cross multiply
    61,813.68x = 85,303.38 × 36,313.20
  4. Step 4: Simplify right side
    61,813.68x = 3,097,638,698.62
  5. Step 5: Solve for x
    x = 3,097,638,698.62/61,813.68
  6. Step 6: Final answer
    x = 50,112.51

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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.