Home / 47,287.63-70,722.30-42,059.32

Finding the Fourth Proportional to 47,287.63, 70,722.30 and 42,059.32

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Solution

The fourth proportional to 47,287.63, 70,722.30 and 42,059.32 is: 62,902.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,287.63 : 70,722.30 = 42,059.32 : x
  2. Step 2: Convert to fraction form
    47,287.63/70,722.30 = 42,059.32/x
  3. Step 3: Cross multiply
    47,287.63x = 70,722.30 × 42,059.32
  4. Step 4: Simplify right side
    47,287.63x = 2,974,531,846.84
  5. Step 5: Solve for x
    x = 2,974,531,846.84/47,287.63
  6. Step 6: Final answer
    x = 62,902.96

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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.