Home / 73,313.25-101,172.24-39,779.25

Finding the Fourth Proportional to 73,313.25, 101,172.24 and 39,779.25

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Solution

The fourth proportional to 73,313.25, 101,172.24 and 39,779.25 is: 54,895.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,313.25 : 101,172.24 = 39,779.25 : x
  2. Step 2: Convert to fraction form
    73,313.25/101,172.24 = 39,779.25/x
  3. Step 3: Cross multiply
    73,313.25x = 101,172.24 × 39,779.25
  4. Step 4: Simplify right side
    73,313.25x = 4,024,556,017.72
  5. Step 5: Solve for x
    x = 4,024,556,017.72/73,313.25
  6. Step 6: Final answer
    x = 54,895.34

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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.