Home / 70,006.86-105,010.07-17,416.35

Finding the Fourth Proportional to 70,006.86, 105,010.07 and 17,416.35

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Solution

The fourth proportional to 70,006.86, 105,010.07 and 17,416.35 is: 26,124.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,006.86 : 105,010.07 = 17,416.35 : x
  2. Step 2: Convert to fraction form
    70,006.86/105,010.07 = 17,416.35/x
  3. Step 3: Cross multiply
    70,006.86x = 105,010.07 × 17,416.35
  4. Step 4: Simplify right side
    70,006.86x = 1,828,892,132.64
  5. Step 5: Solve for x
    x = 1,828,892,132.64/70,006.86
  6. Step 6: Final answer
    x = 26,124.47

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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.