Home / 77,355.45-106,758.09-43,364.03

Finding the Fourth Proportional to 77,355.45, 106,758.09 and 43,364.03

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Solution

The fourth proportional to 77,355.45, 106,758.09 and 43,364.03 is: 59,846.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,355.45 : 106,758.09 = 43,364.03 : x
  2. Step 2: Convert to fraction form
    77,355.45/106,758.09 = 43,364.03/x
  3. Step 3: Cross multiply
    77,355.45x = 106,758.09 × 43,364.03
  4. Step 4: Simplify right side
    77,355.45x = 4,629,460,483.71
  5. Step 5: Solve for x
    x = 4,629,460,483.71/77,355.45
  6. Step 6: Final answer
    x = 59,846.60

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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.