Home / 70,156.47-105,235.62-23,409.35

Finding the Fourth Proportional to 70,156.47, 105,235.62 and 23,409.35

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Solution

The fourth proportional to 70,156.47, 105,235.62 and 23,409.35 is: 35,114.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,156.47 : 105,235.62 = 23,409.35 : x
  2. Step 2: Convert to fraction form
    70,156.47/105,235.62 = 23,409.35/x
  3. Step 3: Cross multiply
    70,156.47x = 105,235.62 × 23,409.35
  4. Step 4: Simplify right side
    70,156.47x = 2,463,496,934.87
  5. Step 5: Solve for x
    x = 2,463,496,934.87/70,156.47
  6. Step 6: Final answer
    x = 35,114.32

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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.