Home / 101,556.60-140,148.18-55,616.01

Finding the Fourth Proportional to 101,556.60, 140,148.18 and 55,616.01

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Solution

The fourth proportional to 101,556.60, 140,148.18 and 55,616.01 is: 76,750.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,556.60 : 140,148.18 = 55,616.01 : x
  2. Step 2: Convert to fraction form
    101,556.60/140,148.18 = 55,616.01/x
  3. Step 3: Cross multiply
    101,556.60x = 140,148.18 × 55,616.01
  4. Step 4: Simplify right side
    101,556.60x = 7,794,482,580.36
  5. Step 5: Solve for x
    x = 7,794,482,580.36/101,556.60
  6. Step 6: Final answer
    x = 76,750.13

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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.