Home / 101,233.32-139,474.08-70,577.52

Finding the Fourth Proportional to 101,233.32, 139,474.08 and 70,577.52

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Solution

The fourth proportional to 101,233.32, 139,474.08 and 70,577.52 is: 97,238.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,233.32 : 139,474.08 = 70,577.52 : x
  2. Step 2: Convert to fraction form
    101,233.32/139,474.08 = 70,577.52/x
  3. Step 3: Cross multiply
    101,233.32x = 139,474.08 × 70,577.52
  4. Step 4: Simplify right side
    101,233.32x = 9,843,734,670.68
  5. Step 5: Solve for x
    x = 9,843,734,670.68/101,233.32
  6. Step 6: Final answer
    x = 97,238.09

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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.