Home / 77,518.60-106,974.30-43,527.35

Finding the Fourth Proportional to 77,518.60, 106,974.30 and 43,527.35

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Solution

The fourth proportional to 77,518.60, 106,974.30 and 43,527.35 is: 60,066.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,518.60 : 106,974.30 = 43,527.35 : x
  2. Step 2: Convert to fraction form
    77,518.60/106,974.30 = 43,527.35/x
  3. Step 3: Cross multiply
    77,518.60x = 106,974.30 × 43,527.35
  4. Step 4: Simplify right side
    77,518.60x = 4,656,308,227.77
  5. Step 5: Solve for x
    x = 4,656,308,227.77/77,518.60
  6. Step 6: Final answer
    x = 60,066.98

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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.