Home / 52,516.35-72,485.64-31,291.50

Finding the Fourth Proportional to 52,516.35, 72,485.64 and 31,291.50

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Solution

The fourth proportional to 52,516.35, 72,485.64 and 31,291.50 is: 43,190.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,516.35 : 72,485.64 = 31,291.50 : x
  2. Step 2: Convert to fraction form
    52,516.35/72,485.64 = 31,291.50/x
  3. Step 3: Cross multiply
    52,516.35x = 72,485.64 × 31,291.50
  4. Step 4: Simplify right side
    52,516.35x = 2,268,184,404.06
  5. Step 5: Solve for x
    x = 2,268,184,404.06/52,516.35
  6. Step 6: Final answer
    x = 43,190.06

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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.