Home / 70,475.03-105,505.16-47,043.35

Finding the Fourth Proportional to 70,475.03, 105,505.16 and 47,043.35

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Solution

The fourth proportional to 70,475.03, 105,505.16 and 47,043.35 is: 70,426.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,475.03 : 105,505.16 = 47,043.35 : x
  2. Step 2: Convert to fraction form
    70,475.03/105,505.16 = 47,043.35/x
  3. Step 3: Cross multiply
    70,475.03x = 105,505.16 × 47,043.35
  4. Step 4: Simplify right side
    70,475.03x = 4,963,315,405.94
  5. Step 5: Solve for x
    x = 4,963,315,405.94/70,475.03
  6. Step 6: Final answer
    x = 70,426.59

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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.