Home / 49,765.10-74,465.40-36,643.10

Finding the Fourth Proportional to 49,765.10, 74,465.40 and 36,643.10

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Solution

The fourth proportional to 49,765.10, 74,465.40 and 36,643.10 is: 54,830.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,765.10 : 74,465.40 = 36,643.10 : x
  2. Step 2: Convert to fraction form
    49,765.10/74,465.40 = 36,643.10/x
  3. Step 3: Cross multiply
    49,765.10x = 74,465.40 × 36,643.10
  4. Step 4: Simplify right side
    49,765.10x = 2,728,643,098.74
  5. Step 5: Solve for x
    x = 2,728,643,098.74/49,765.10
  6. Step 6: Final answer
    x = 54,830.46

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.