Home / 47,063.49-70,602.33-13,779.38

Finding the Fourth Proportional to 47,063.49, 70,602.33 and 13,779.38

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Solution

The fourth proportional to 47,063.49, 70,602.33 and 13,779.38 is: 20,671.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,063.49 : 70,602.33 = 13,779.38 : x
  2. Step 2: Convert to fraction form
    47,063.49/70,602.33 = 13,779.38/x
  3. Step 3: Cross multiply
    47,063.49x = 70,602.33 × 13,779.38
  4. Step 4: Simplify right side
    47,063.49x = 972,855,980.94
  5. Step 5: Solve for x
    x = 972,855,980.94/47,063.49
  6. Step 6: Final answer
    x = 20,671.14

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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.