Home / 77,460.36-106,882.23-45,635.59

Finding the Fourth Proportional to 77,460.36, 106,882.23 and 45,635.59

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Solution

The fourth proportional to 77,460.36, 106,882.23 and 45,635.59 is: 62,969.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,460.36 : 106,882.23 = 45,635.59 : x
  2. Step 2: Convert to fraction form
    77,460.36/106,882.23 = 45,635.59/x
  3. Step 3: Cross multiply
    77,460.36x = 106,882.23 × 45,635.59
  4. Step 4: Simplify right side
    77,460.36x = 4,877,633,626.57
  5. Step 5: Solve for x
    x = 4,877,633,626.57/77,460.36
  6. Step 6: Final answer
    x = 62,969.42

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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.