Home / 77,558.23-116,107.71-47,880.64

Finding the Fourth Proportional to 77,558.23, 116,107.71 and 47,880.64

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Solution

The fourth proportional to 77,558.23, 116,107.71 and 47,880.64 is: 71,679.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,558.23 : 116,107.71 = 47,880.64 : x
  2. Step 2: Convert to fraction form
    77,558.23/116,107.71 = 47,880.64/x
  3. Step 3: Cross multiply
    77,558.23x = 116,107.71 × 47,880.64
  4. Step 4: Simplify right side
    77,558.23x = 5,559,311,463.73
  5. Step 5: Solve for x
    x = 5,559,311,463.73/77,558.23
  6. Step 6: Final answer
    x = 71,679.19

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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.