Home / 70,768.04-97,663.46-40,556.84

Finding the Fourth Proportional to 70,768.04, 97,663.46 and 40,556.84

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Solution

The fourth proportional to 70,768.04, 97,663.46 and 40,556.84 is: 55,970.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,768.04 : 97,663.46 = 40,556.84 : x
  2. Step 2: Convert to fraction form
    70,768.04/97,663.46 = 40,556.84/x
  3. Step 3: Cross multiply
    70,768.04x = 97,663.46 × 40,556.84
  4. Step 4: Simplify right side
    70,768.04x = 3,960,921,321.07
  5. Step 5: Solve for x
    x = 3,960,921,321.07/70,768.04
  6. Step 6: Final answer
    x = 55,970.48

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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.