Home / 53,450.60-80,348.70-49,303.40

Finding the Fourth Proportional to 53,450.60, 80,348.70 and 49,303.40

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Solution

The fourth proportional to 53,450.60, 80,348.70 and 49,303.40 is: 74,114.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,450.60 : 80,348.70 = 49,303.40 : x
  2. Step 2: Convert to fraction form
    53,450.60/80,348.70 = 49,303.40/x
  3. Step 3: Cross multiply
    53,450.60x = 80,348.70 × 49,303.40
  4. Step 4: Simplify right side
    53,450.60x = 3,961,464,095.58
  5. Step 5: Solve for x
    x = 3,961,464,095.58/53,450.60
  6. Step 6: Final answer
    x = 74,114.49

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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.