Home / 105,055.12-144,963.84-59,738.32

Finding the Fourth Proportional to 105,055.12, 144,963.84 and 59,738.32

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Solution

The fourth proportional to 105,055.12, 144,963.84 and 59,738.32 is: 82,431.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,055.12 : 144,963.84 = 59,738.32 : x
  2. Step 2: Convert to fraction form
    105,055.12/144,963.84 = 59,738.32/x
  3. Step 3: Cross multiply
    105,055.12x = 144,963.84 × 59,738.32
  4. Step 4: Simplify right side
    105,055.12x = 8,659,896,262.35
  5. Step 5: Solve for x
    x = 8,659,896,262.35/105,055.12
  6. Step 6: Final answer
    x = 82,431.93

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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.