Home / 74,247.23-111,361.80-21,656.77

Finding the Fourth Proportional to 74,247.23, 111,361.80 and 21,656.77

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Solution

The fourth proportional to 74,247.23, 111,361.80 and 21,656.77 is: 32,482.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,247.23 : 111,361.80 = 21,656.77 : x
  2. Step 2: Convert to fraction form
    74,247.23/111,361.80 = 21,656.77/x
  3. Step 3: Cross multiply
    74,247.23x = 111,361.80 × 21,656.77
  4. Step 4: Simplify right side
    74,247.23x = 2,411,736,889.39
  5. Step 5: Solve for x
    x = 2,411,736,889.39/74,247.23
  6. Step 6: Final answer
    x = 32,482.52

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.