Home / 85,090.45-117,427.61-46,853.95

Finding the Fourth Proportional to 85,090.45, 117,427.61 and 46,853.95

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Solution

The fourth proportional to 85,090.45, 117,427.61 and 46,853.95 is: 64,659.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,090.45 : 117,427.61 = 46,853.95 : x
  2. Step 2: Convert to fraction form
    85,090.45/117,427.61 = 46,853.95/x
  3. Step 3: Cross multiply
    85,090.45x = 117,427.61 × 46,853.95
  4. Step 4: Simplify right side
    85,090.45x = 5,501,947,191.13
  5. Step 5: Solve for x
    x = 5,501,947,191.13/85,090.45
  6. Step 6: Final answer
    x = 64,659.99

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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.