Home / 89,556.59-123,596.81-66,856.16

Finding the Fourth Proportional to 89,556.59, 123,596.81 and 66,856.16

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Solution

The fourth proportional to 89,556.59, 123,596.81 and 66,856.16 is: 92,268.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,556.59 : 123,596.81 = 66,856.16 : x
  2. Step 2: Convert to fraction form
    89,556.59/123,596.81 = 66,856.16/x
  3. Step 3: Cross multiply
    89,556.59x = 123,596.81 × 66,856.16
  4. Step 4: Simplify right side
    89,556.59x = 8,263,208,271.99
  5. Step 5: Solve for x
    x = 8,263,208,271.99/89,556.59
  6. Step 6: Final answer
    x = 92,268.01

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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.