Home / 73,641.36-101,625.12-40,107.36

Finding the Fourth Proportional to 73,641.36, 101,625.12 and 40,107.36

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Solution

The fourth proportional to 73,641.36, 101,625.12 and 40,107.36 is: 55,348.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,641.36 : 101,625.12 = 40,107.36 : x
  2. Step 2: Convert to fraction form
    73,641.36/101,625.12 = 40,107.36/x
  3. Step 3: Cross multiply
    73,641.36x = 101,625.12 × 40,107.36
  4. Step 4: Simplify right side
    73,641.36x = 4,075,915,272.88
  5. Step 5: Solve for x
    x = 4,075,915,272.88/73,641.36
  6. Step 6: Final answer
    x = 55,348.18

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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.