Home / 85,326.07-127,889.43-64,198.23

Finding the Fourth Proportional to 85,326.07, 127,889.43 and 64,198.23

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Solution

The fourth proportional to 85,326.07, 127,889.43 and 64,198.23 is: 96,222.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,326.07 : 127,889.43 = 64,198.23 : x
  2. Step 2: Convert to fraction form
    85,326.07/127,889.43 = 64,198.23/x
  3. Step 3: Cross multiply
    85,326.07x = 127,889.43 × 64,198.23
  4. Step 4: Simplify right side
    85,326.07x = 8,210,275,041.71
  5. Step 5: Solve for x
    x = 8,210,275,041.71/85,326.07
  6. Step 6: Final answer
    x = 96,222.35

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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.