Home / 77,355.84-116,085.60-49,673.28

Finding the Fourth Proportional to 77,355.84, 116,085.60 and 49,673.28

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Solution

The fourth proportional to 77,355.84, 116,085.60 and 49,673.28 is: 74,543.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,355.84 : 116,085.60 = 49,673.28 : x
  2. Step 2: Convert to fraction form
    77,355.84/116,085.60 = 49,673.28/x
  3. Step 3: Cross multiply
    77,355.84x = 116,085.60 × 49,673.28
  4. Step 4: Simplify right side
    77,355.84x = 5,766,352,512.77
  5. Step 5: Solve for x
    x = 5,766,352,512.77/77,355.84
  6. Step 6: Final answer
    x = 74,543.21

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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.