Home / 123,801.60-170,844.55-70,085.24

Finding the Fourth Proportional to 123,801.60, 170,844.55 and 70,085.24

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Solution

The fourth proportional to 123,801.60, 170,844.55 and 70,085.24 is: 96,716.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,801.60 : 170,844.55 = 70,085.24 : x
  2. Step 2: Convert to fraction form
    123,801.60/170,844.55 = 70,085.24/x
  3. Step 3: Cross multiply
    123,801.60x = 170,844.55 × 70,085.24
  4. Step 4: Simplify right side
    123,801.60x = 11,973,681,289.44
  5. Step 5: Solve for x
    x = 11,973,681,289.44/123,801.60
  6. Step 6: Final answer
    x = 96,716.69

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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.