Home / 75,779.58-104,532.42-47,436.06

Finding the Fourth Proportional to 75,779.58, 104,532.42 and 47,436.06

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Solution

The fourth proportional to 75,779.58, 104,532.42 and 47,436.06 is: 65,434.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,779.58 : 104,532.42 = 47,436.06 : x
  2. Step 2: Convert to fraction form
    75,779.58/104,532.42 = 47,436.06/x
  3. Step 3: Cross multiply
    75,779.58x = 104,532.42 × 47,436.06
  4. Step 4: Simplify right side
    75,779.58x = 4,958,606,361.18
  5. Step 5: Solve for x
    x = 4,958,606,361.18/75,779.58
  6. Step 6: Final answer
    x = 65,434.59

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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.