Home / 81,535.14-122,301.09-46,399.50

Finding the Fourth Proportional to 81,535.14, 122,301.09 and 46,399.50

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Solution

The fourth proportional to 81,535.14, 122,301.09 and 46,399.50 is: 69,598.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,535.14 : 122,301.09 = 46,399.50 : x
  2. Step 2: Convert to fraction form
    81,535.14/122,301.09 = 46,399.50/x
  3. Step 3: Cross multiply
    81,535.14x = 122,301.09 × 46,399.50
  4. Step 4: Simplify right side
    81,535.14x = 5,674,709,425.46
  5. Step 5: Solve for x
    x = 5,674,709,425.46/81,535.14
  6. Step 6: Final answer
    x = 69,598.33

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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.