Home / 64,427.06-88,888.38-36,127.28

Finding the Fourth Proportional to 64,427.06, 88,888.38 and 36,127.28

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Solution

The fourth proportional to 64,427.06, 88,888.38 and 36,127.28 is: 49,843.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,427.06 : 88,888.38 = 36,127.28 : x
  2. Step 2: Convert to fraction form
    64,427.06/88,888.38 = 36,127.28/x
  3. Step 3: Cross multiply
    64,427.06x = 88,888.38 × 36,127.28
  4. Step 4: Simplify right side
    64,427.06x = 3,211,295,393.01
  5. Step 5: Solve for x
    x = 3,211,295,393.01/64,427.06
  6. Step 6: Final answer
    x = 49,843.89

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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.