Home / 101,140.08-151,697.16-31,013.52

Finding the Fourth Proportional to 101,140.08, 151,697.16 and 31,013.52

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Solution

The fourth proportional to 101,140.08, 151,697.16 and 31,013.52 is: 46,516.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,140.08 : 151,697.16 = 31,013.52 : x
  2. Step 2: Convert to fraction form
    101,140.08/151,697.16 = 31,013.52/x
  3. Step 3: Cross multiply
    101,140.08x = 151,697.16 × 31,013.52
  4. Step 4: Simplify right side
    101,140.08x = 4,704,662,905.60
  5. Step 5: Solve for x
    x = 4,704,662,905.60/101,140.08
  6. Step 6: Final answer
    x = 46,516.31

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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.