Home / 112,034.08-154,600.08-64,291.36

Finding the Fourth Proportional to 112,034.08, 154,600.08 and 64,291.36

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Solution

The fourth proportional to 112,034.08, 154,600.08 and 64,291.36 is: 88,718.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,034.08 : 154,600.08 = 64,291.36 : x
  2. Step 2: Convert to fraction form
    112,034.08/154,600.08 = 64,291.36/x
  3. Step 3: Cross multiply
    112,034.08x = 154,600.08 × 64,291.36
  4. Step 4: Simplify right side
    112,034.08x = 9,939,449,399.31
  5. Step 5: Solve for x
    x = 9,939,449,399.31/112,034.08
  6. Step 6: Final answer
    x = 88,718.09

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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.