Home / 84,643.84-116,812.38-46,915.66

Finding the Fourth Proportional to 84,643.84, 116,812.38 and 46,915.66

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Solution

The fourth proportional to 84,643.84, 116,812.38 and 46,915.66 is: 64,745.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,643.84 : 116,812.38 = 46,915.66 : x
  2. Step 2: Convert to fraction form
    84,643.84/116,812.38 = 46,915.66/x
  3. Step 3: Cross multiply
    84,643.84x = 116,812.38 × 46,915.66
  4. Step 4: Simplify right side
    84,643.84x = 5,480,329,903.87
  5. Step 5: Solve for x
    x = 5,480,329,903.87/84,643.84
  6. Step 6: Final answer
    x = 64,745.76

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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.