Home / 69,075.09-95,323.77-40,782.60

Finding the Fourth Proportional to 69,075.09, 95,323.77 and 40,782.60

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Solution

The fourth proportional to 69,075.09, 95,323.77 and 40,782.60 is: 56,280.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,075.09 : 95,323.77 = 40,782.60 : x
  2. Step 2: Convert to fraction form
    69,075.09/95,323.77 = 40,782.60/x
  3. Step 3: Cross multiply
    69,075.09x = 95,323.77 × 40,782.60
  4. Step 4: Simplify right side
    69,075.09x = 3,887,551,182.40
  5. Step 5: Solve for x
    x = 3,887,551,182.40/69,075.09
  6. Step 6: Final answer
    x = 56,280.07

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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.