Home / 83,880.75-115,756.25-46,155.81

Finding the Fourth Proportional to 83,880.75, 115,756.25 and 46,155.81

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Solution

The fourth proportional to 83,880.75, 115,756.25 and 46,155.81 is: 63,695.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,880.75 : 115,756.25 = 46,155.81 : x
  2. Step 2: Convert to fraction form
    83,880.75/115,756.25 = 46,155.81/x
  3. Step 3: Cross multiply
    83,880.75x = 115,756.25 × 46,155.81
  4. Step 4: Simplify right side
    83,880.75x = 5,342,823,250.53
  5. Step 5: Solve for x
    x = 5,342,823,250.53/83,880.75
  6. Step 6: Final answer
    x = 63,695.46

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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.