Home / 49,912.16-74,967.60-31,225.28

Finding the Fourth Proportional to 49,912.16, 74,967.60 and 31,225.28

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Solution

The fourth proportional to 49,912.16, 74,967.60 and 31,225.28 is: 46,900.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,912.16 : 74,967.60 = 31,225.28 : x
  2. Step 2: Convert to fraction form
    49,912.16/74,967.60 = 31,225.28/x
  3. Step 3: Cross multiply
    49,912.16x = 74,967.60 × 31,225.28
  4. Step 4: Simplify right side
    49,912.16x = 2,340,884,300.93
  5. Step 5: Solve for x
    x = 2,340,884,300.93/49,912.16
  6. Step 6: Final answer
    x = 46,900.08

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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.