Home / 50,470.40-75,705.60-47,165.60

Finding the Fourth Proportional to 50,470.40, 75,705.60 and 47,165.60

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Solution

The fourth proportional to 50,470.40, 75,705.60 and 47,165.60 is: 70,748.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,470.40 : 75,705.60 = 47,165.60 : x
  2. Step 2: Convert to fraction form
    50,470.40/75,705.60 = 47,165.60/x
  3. Step 3: Cross multiply
    50,470.40x = 75,705.60 × 47,165.60
  4. Step 4: Simplify right side
    50,470.40x = 3,570,700,047.36
  5. Step 5: Solve for x
    x = 3,570,700,047.36/50,470.40
  6. Step 6: Final answer
    x = 70,748.40

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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.