Home / 64,128.06-88,501.92-35,450.28

Finding the Fourth Proportional to 64,128.06, 88,501.92 and 35,450.28

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Solution

The fourth proportional to 64,128.06, 88,501.92 and 35,450.28 is: 48,924.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,128.06 : 88,501.92 = 35,450.28 : x
  2. Step 2: Convert to fraction form
    64,128.06/88,501.92 = 35,450.28/x
  3. Step 3: Cross multiply
    64,128.06x = 88,501.92 × 35,450.28
  4. Step 4: Simplify right side
    64,128.06x = 3,137,417,844.54
  5. Step 5: Solve for x
    x = 3,137,417,844.54/64,128.06
  6. Step 6: Final answer
    x = 48,924.26

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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.