Home / 70,517.05-105,779.10-23,127.94

Finding the Fourth Proportional to 70,517.05, 105,779.10 and 23,127.94

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Solution

The fourth proportional to 70,517.05, 105,779.10 and 23,127.94 is: 34,693.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,517.05 : 105,779.10 = 23,127.94 : x
  2. Step 2: Convert to fraction form
    70,517.05/105,779.10 = 23,127.94/x
  3. Step 3: Cross multiply
    70,517.05x = 105,779.10 × 23,127.94
  4. Step 4: Simplify right side
    70,517.05x = 2,446,452,897.01
  5. Step 5: Solve for x
    x = 2,446,452,897.01/70,517.05
  6. Step 6: Final answer
    x = 34,693.07

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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.