Home / 105,297.64-145,293.94-59,976.51

Finding the Fourth Proportional to 105,297.64, 145,293.94 and 59,976.51

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Solution

The fourth proportional to 105,297.64, 145,293.94 and 59,976.51 is: 82,758.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,297.64 : 145,293.94 = 59,976.51 : x
  2. Step 2: Convert to fraction form
    105,297.64/145,293.94 = 59,976.51/x
  3. Step 3: Cross multiply
    105,297.64x = 145,293.94 × 59,976.51
  4. Step 4: Simplify right side
    105,297.64x = 8,714,222,718.88
  5. Step 5: Solve for x
    x = 8,714,222,718.88/105,297.64
  6. Step 6: Final answer
    x = 82,758.01

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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.