Home / 49,323.64-68,047.50-31,415.44

Finding the Fourth Proportional to 49,323.64, 68,047.50 and 31,415.44

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Solution

The fourth proportional to 49,323.64, 68,047.50 and 31,415.44 is: 43,341.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,323.64 : 68,047.50 = 31,415.44 : x
  2. Step 2: Convert to fraction form
    49,323.64/68,047.50 = 31,415.44/x
  3. Step 3: Cross multiply
    49,323.64x = 68,047.50 × 31,415.44
  4. Step 4: Simplify right side
    49,323.64x = 2,137,742,153.40
  5. Step 5: Solve for x
    x = 2,137,742,153.40/49,323.64
  6. Step 6: Final answer
    x = 43,341.13

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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.