Home / 86,450.63-119,400.28-58,107.11

Finding the Fourth Proportional to 86,450.63, 119,400.28 and 58,107.11

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Solution

The fourth proportional to 86,450.63, 119,400.28 and 58,107.11 is: 80,253.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,450.63 : 119,400.28 = 58,107.11 : x
  2. Step 2: Convert to fraction form
    86,450.63/119,400.28 = 58,107.11/x
  3. Step 3: Cross multiply
    86,450.63x = 119,400.28 × 58,107.11
  4. Step 4: Simplify right side
    86,450.63x = 6,938,004,461.72
  5. Step 5: Solve for x
    x = 6,938,004,461.72/86,450.63
  6. Step 6: Final answer
    x = 80,253.95

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1.5x scale

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.