Home / 70,400.89-105,592.52-23,012.02

Finding the Fourth Proportional to 70,400.89, 105,592.52 and 23,012.02

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Solution

The fourth proportional to 70,400.89, 105,592.52 and 23,012.02 is: 34,515.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,400.89 : 105,592.52 = 23,012.02 : x
  2. Step 2: Convert to fraction form
    70,400.89/105,592.52 = 23,012.02/x
  3. Step 3: Cross multiply
    70,400.89x = 105,592.52 × 23,012.02
  4. Step 4: Simplify right side
    70,400.89x = 2,429,897,182.09
  5. Step 5: Solve for x
    x = 2,429,897,182.09/70,400.89
  6. Step 6: Final answer
    x = 34,515.15

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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.