Home / 75,779.61-104,571.56-47,098.53

Finding the Fourth Proportional to 75,779.61, 104,571.56 and 47,098.53

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Solution

The fourth proportional to 75,779.61, 104,571.56 and 47,098.53 is: 64,993.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,779.61 : 104,571.56 = 47,098.53 : x
  2. Step 2: Convert to fraction form
    75,779.61/104,571.56 = 47,098.53/x
  3. Step 3: Cross multiply
    75,779.61x = 104,571.56 × 47,098.53
  4. Step 4: Simplify right side
    75,779.61x = 4,925,166,520.31
  5. Step 5: Solve for x
    x = 4,925,166,520.31/75,779.61
  6. Step 6: Final answer
    x = 64,993.30

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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.