Home / 77,445.24-106,872.75-43,453.14

Finding the Fourth Proportional to 77,445.24, 106,872.75 and 43,453.14

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Solution

The fourth proportional to 77,445.24, 106,872.75 and 43,453.14 is: 59,964.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,445.24 : 106,872.75 = 43,453.14 : x
  2. Step 2: Convert to fraction form
    77,445.24/106,872.75 = 43,453.14/x
  3. Step 3: Cross multiply
    77,445.24x = 106,872.75 × 43,453.14
  4. Step 4: Simplify right side
    77,445.24x = 4,643,956,567.94
  5. Step 5: Solve for x
    x = 4,643,956,567.94/77,445.24
  6. Step 6: Final answer
    x = 59,964.39

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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.