Home / 85,075.08-117,449.64-59,659.44

Finding the Fourth Proportional to 85,075.08, 117,449.64 and 59,659.44

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Solution

The fourth proportional to 85,075.08, 117,449.64 and 59,659.44 is: 82,362.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,075.08 : 117,449.64 = 59,659.44 : x
  2. Step 2: Convert to fraction form
    85,075.08/117,449.64 = 59,659.44/x
  3. Step 3: Cross multiply
    85,075.08x = 117,449.64 × 59,659.44
  4. Step 4: Simplify right side
    85,075.08x = 7,006,979,750.60
  5. Step 5: Solve for x
    x = 7,006,979,750.60/85,075.08
  6. Step 6: Final answer
    x = 82,362.31

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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.