Home / 74,916.09-112,373.73-30,542.67

Finding the Fourth Proportional to 74,916.09, 112,373.73 and 30,542.67

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Solution

The fourth proportional to 74,916.09, 112,373.73 and 30,542.67 is: 45,813.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,916.09 : 112,373.73 = 30,542.67 : x
  2. Step 2: Convert to fraction form
    74,916.09/112,373.73 = 30,542.67/x
  3. Step 3: Cross multiply
    74,916.09x = 112,373.73 × 30,542.67
  4. Step 4: Simplify right side
    74,916.09x = 3,432,193,752.06
  5. Step 5: Solve for x
    x = 3,432,193,752.06/74,916.09
  6. Step 6: Final answer
    x = 45,813.84

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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.