Home / 75,411.73-113,117.60-31,007.35

Finding the Fourth Proportional to 75,411.73, 113,117.60 and 31,007.35

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Solution

The fourth proportional to 75,411.73, 113,117.60 and 31,007.35 is: 46,511.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,411.73 : 113,117.60 = 31,007.35 : x
  2. Step 2: Convert to fraction form
    75,411.73/113,117.60 = 31,007.35/x
  3. Step 3: Cross multiply
    75,411.73x = 113,117.60 × 31,007.35
  4. Step 4: Simplify right side
    75,411.73x = 3,507,477,014.36
  5. Step 5: Solve for x
    x = 3,507,477,014.36/75,411.73
  6. Step 6: Final answer
    x = 46,511.03

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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.