Home / 81,823.16-112,915.24-46,012.40

Finding the Fourth Proportional to 81,823.16, 112,915.24 and 46,012.40

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Solution

The fourth proportional to 81,823.16, 112,915.24 and 46,012.40 is: 63,496.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,823.16 : 112,915.24 = 46,012.40 : x
  2. Step 2: Convert to fraction form
    81,823.16/112,915.24 = 46,012.40/x
  3. Step 3: Cross multiply
    81,823.16x = 112,915.24 × 46,012.40
  4. Step 4: Simplify right side
    81,823.16x = 5,195,501,188.98
  5. Step 5: Solve for x
    x = 5,195,501,188.98/81,823.16
  6. Step 6: Final answer
    x = 63,496.71

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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.