Home / 83,880.56-115,755.18-46,154.81

Finding the Fourth Proportional to 83,880.56, 115,755.18 and 46,154.81

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Solution

The fourth proportional to 83,880.56, 115,755.18 and 46,154.81 is: 63,693.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,880.56 : 115,755.18 = 46,154.81 : x
  2. Step 2: Convert to fraction form
    83,880.56/115,755.18 = 46,154.81/x
  3. Step 3: Cross multiply
    83,880.56x = 115,755.18 × 46,154.81
  4. Step 4: Simplify right side
    83,880.56x = 5,342,658,455.72
  5. Step 5: Solve for x
    x = 5,342,658,455.72/83,880.56
  6. Step 6: Final answer
    x = 63,693.64

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1.5x scale

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.