Home / 123,782.14-170,771.52-70,054.84

Finding the Fourth Proportional to 123,782.14, 170,771.52 and 70,054.84

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Solution

The fourth proportional to 123,782.14, 170,771.52 and 70,054.84 is: 96,648.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,782.14 : 170,771.52 = 70,054.84 : x
  2. Step 2: Convert to fraction form
    123,782.14/170,771.52 = 70,054.84/x
  3. Step 3: Cross multiply
    123,782.14x = 170,771.52 × 70,054.84
  4. Step 4: Simplify right side
    123,782.14x = 11,963,371,510.16
  5. Step 5: Solve for x
    x = 11,963,371,510.16/123,782.14
  6. Step 6: Final answer
    x = 96,648.61

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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.