Home / 52,888.44-72,980.64-31,667.16

Finding the Fourth Proportional to 52,888.44, 72,980.64 and 31,667.16

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Solution

The fourth proportional to 52,888.44, 72,980.64 and 31,667.16 is: 43,697.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,888.44 : 72,980.64 = 31,667.16 : x
  2. Step 2: Convert to fraction form
    52,888.44/72,980.64 = 31,667.16/x
  3. Step 3: Cross multiply
    52,888.44x = 72,980.64 × 31,667.16
  4. Step 4: Simplify right side
    52,888.44x = 2,311,089,603.78
  5. Step 5: Solve for x
    x = 2,311,089,603.78/52,888.44
  6. Step 6: Final answer
    x = 43,697.44

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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.