Home / 70,950.36-97,907.22-40,729.08

Finding the Fourth Proportional to 70,950.36, 97,907.22 and 40,729.08

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Solution

The fourth proportional to 70,950.36, 97,907.22 and 40,729.08 is: 56,203.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,950.36 : 97,907.22 = 40,729.08 : x
  2. Step 2: Convert to fraction form
    70,950.36/97,907.22 = 40,729.08/x
  3. Step 3: Cross multiply
    70,950.36x = 97,907.22 × 40,729.08
  4. Step 4: Simplify right side
    70,950.36x = 3,987,670,995.96
  5. Step 5: Solve for x
    x = 3,987,670,995.96/70,950.36
  6. Step 6: Final answer
    x = 56,203.68

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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.