Home / 61,139.21-91,573.31-46,995.08

Finding the Fourth Proportional to 61,139.21, 91,573.31 and 46,995.08

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Solution

The fourth proportional to 61,139.21, 91,573.31 and 46,995.08 is: 70,388.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,139.21 : 91,573.31 = 46,995.08 : x
  2. Step 2: Convert to fraction form
    61,139.21/91,573.31 = 46,995.08/x
  3. Step 3: Cross multiply
    61,139.21x = 91,573.31 × 46,995.08
  4. Step 4: Simplify right side
    61,139.21x = 4,303,494,688.94
  5. Step 5: Solve for x
    x = 4,303,494,688.94/61,139.21
  6. Step 6: Final answer
    x = 70,388.46

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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.