Home / 47,126.96-70,740.80-19,065.36

Finding the Fourth Proportional to 47,126.96, 70,740.80 and 19,065.36

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Solution

The fourth proportional to 47,126.96, 70,740.80 and 19,065.36 is: 28,618.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,126.96 : 70,740.80 = 19,065.36 : x
  2. Step 2: Convert to fraction form
    47,126.96/70,740.80 = 19,065.36/x
  3. Step 3: Cross multiply
    47,126.96x = 70,740.80 × 19,065.36
  4. Step 4: Simplify right side
    47,126.96x = 1,348,698,715.84
  5. Step 5: Solve for x
    x = 1,348,698,715.84/47,126.96
  6. Step 6: Final answer
    x = 28,618.41

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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.