Home / 47,133.88-70,699.20-12,073.84

Finding the Fourth Proportional to 47,133.88, 70,699.20 and 12,073.84

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Solution

The fourth proportional to 47,133.88, 70,699.20 and 12,073.84 is: 18,110.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,133.88 : 70,699.20 = 12,073.84 : x
  2. Step 2: Convert to fraction form
    47,133.88/70,699.20 = 12,073.84/x
  3. Step 3: Cross multiply
    47,133.88x = 70,699.20 × 12,073.84
  4. Step 4: Simplify right side
    47,133.88x = 853,610,828.93
  5. Step 5: Solve for x
    x = 853,610,828.93/47,133.88
  6. Step 6: Final answer
    x = 18,110.35

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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.