Home / 49,453.40-74,107.20-42,017.60

Finding the Fourth Proportional to 49,453.40, 74,107.20 and 42,017.60

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Solution

The fourth proportional to 49,453.40, 74,107.20 and 42,017.60 is: 62,964.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,453.40 : 74,107.20 = 42,017.60 : x
  2. Step 2: Convert to fraction form
    49,453.40/74,107.20 = 42,017.60/x
  3. Step 3: Cross multiply
    49,453.40x = 74,107.20 × 42,017.60
  4. Step 4: Simplify right side
    49,453.40x = 3,113,806,686.72
  5. Step 5: Solve for x
    x = 3,113,806,686.72/49,453.40
  6. Step 6: Final answer
    x = 62,964.46

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1.5x scale

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.