Home / 76,490.24-105,571.71-48,877.25

Finding the Fourth Proportional to 76,490.24, 105,571.71 and 48,877.25

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Solution

The fourth proportional to 76,490.24, 105,571.71 and 48,877.25 is: 67,460.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,490.24 : 105,571.71 = 48,877.25 : x
  2. Step 2: Convert to fraction form
    76,490.24/105,571.71 = 48,877.25/x
  3. Step 3: Cross multiply
    76,490.24x = 105,571.71 × 48,877.25
  4. Step 4: Simplify right side
    76,490.24x = 5,160,054,334.74
  5. Step 5: Solve for x
    x = 5,160,054,334.74/76,490.24
  6. Step 6: Final answer
    x = 67,460.30

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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.