Home / 67,661.04-93,461.48-51,939.76

Finding the Fourth Proportional to 67,661.04, 93,461.48 and 51,939.76

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Solution

The fourth proportional to 67,661.04, 93,461.48 and 51,939.76 is: 71,745.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,661.04 : 93,461.48 = 51,939.76 : x
  2. Step 2: Convert to fraction form
    67,661.04/93,461.48 = 51,939.76/x
  3. Step 3: Cross multiply
    67,661.04x = 93,461.48 × 51,939.76
  4. Step 4: Simplify right side
    67,661.04x = 4,854,366,840.44
  5. Step 5: Solve for x
    x = 4,854,366,840.44/67,661.04
  6. Step 6: Final answer
    x = 71,745.38

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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.