Home / 49,365.20-74,220.60-48,328.40

Finding the Fourth Proportional to 49,365.20, 74,220.60 and 48,328.40

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Solution

The fourth proportional to 49,365.20, 74,220.60 and 48,328.40 is: 72,661.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,365.20 : 74,220.60 = 48,328.40 : x
  2. Step 2: Convert to fraction form
    49,365.20/74,220.60 = 48,328.40/x
  3. Step 3: Cross multiply
    49,365.20x = 74,220.60 × 48,328.40
  4. Step 4: Simplify right side
    49,365.20x = 3,586,962,845.04
  5. Step 5: Solve for x
    x = 3,586,962,845.04/49,365.20
  6. Step 6: Final answer
    x = 72,661.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.