Home / 70,400.36-97,153.34-40,189.80

Finding the Fourth Proportional to 70,400.36, 97,153.34 and 40,189.80

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Solution

The fourth proportional to 70,400.36, 97,153.34 and 40,189.80 is: 55,462.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,400.36 : 97,153.34 = 40,189.80 : x
  2. Step 2: Convert to fraction form
    70,400.36/97,153.34 = 40,189.80/x
  3. Step 3: Cross multiply
    70,400.36x = 97,153.34 × 40,189.80
  4. Step 4: Simplify right side
    70,400.36x = 3,904,573,303.93
  5. Step 5: Solve for x
    x = 3,904,573,303.93/70,400.36
  6. Step 6: Final answer
    x = 55,462.41

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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.