Home / 56,915.13-78,469.86-46,668.41

Finding the Fourth Proportional to 56,915.13, 78,469.86 and 46,668.41

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Solution

The fourth proportional to 56,915.13, 78,469.86 and 46,668.41 is: 64,342.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,915.13 : 78,469.86 = 46,668.41 : x
  2. Step 2: Convert to fraction form
    56,915.13/78,469.86 = 46,668.41/x
  3. Step 3: Cross multiply
    56,915.13x = 78,469.86 × 46,668.41
  4. Step 4: Simplify right side
    56,915.13x = 3,662,063,599.12
  5. Step 5: Solve for x
    x = 3,662,063,599.12/56,915.13
  6. Step 6: Final answer
    x = 64,342.53

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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.