Home / 49,459.40-74,116.20-42,023.60

Finding the Fourth Proportional to 49,459.40, 74,116.20 and 42,023.60

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Solution

The fourth proportional to 49,459.40, 74,116.20 and 42,023.60 is: 62,973.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,459.40 : 74,116.20 = 42,023.60 : x
  2. Step 2: Convert to fraction form
    49,459.40/74,116.20 = 42,023.60/x
  3. Step 3: Cross multiply
    49,459.40x = 74,116.20 × 42,023.60
  4. Step 4: Simplify right side
    49,459.40x = 3,114,629,542.32
  5. Step 5: Solve for x
    x = 3,114,629,542.32/49,459.40
  6. Step 6: Final answer
    x = 62,973.46

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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.