Home / 76,485.24-105,564.74-48,872.25

Finding the Fourth Proportional to 76,485.24, 105,564.74 and 48,872.25

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Solution

The fourth proportional to 76,485.24, 105,564.74 and 48,872.25 is: 67,453.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,485.24 : 105,564.74 = 48,872.25 : x
  2. Step 2: Convert to fraction form
    76,485.24/105,564.74 = 48,872.25/x
  3. Step 3: Cross multiply
    76,485.24x = 105,564.74 × 48,872.25
  4. Step 4: Simplify right side
    76,485.24x = 5,159,185,592.28
  5. Step 5: Solve for x
    x = 5,159,185,592.28/76,485.24
  6. Step 6: Final answer
    x = 67,453.35

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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.