Home / 85,601.08-128,332.03-35,718.33

Finding the Fourth Proportional to 85,601.08, 128,332.03 and 35,718.33

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Solution

The fourth proportional to 85,601.08, 128,332.03 and 35,718.33 is: 53,548.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,601.08 : 128,332.03 = 35,718.33 : x
  2. Step 2: Convert to fraction form
    85,601.08/128,332.03 = 35,718.33/x
  3. Step 3: Cross multiply
    85,601.08x = 128,332.03 × 35,718.33
  4. Step 4: Simplify right side
    85,601.08x = 4,583,805,797.11
  5. Step 5: Solve for x
    x = 4,583,805,797.11/85,601.08
  6. Step 6: Final answer
    x = 53,548.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.