Home / 113,990.40-171,020.07-34,030.98

Finding the Fourth Proportional to 113,990.40, 171,020.07 and 34,030.98

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Solution

The fourth proportional to 113,990.40, 171,020.07 and 34,030.98 is: 51,056.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,990.40 : 171,020.07 = 34,030.98 : x
  2. Step 2: Convert to fraction form
    113,990.40/171,020.07 = 34,030.98/x
  3. Step 3: Cross multiply
    113,990.40x = 171,020.07 × 34,030.98
  4. Step 4: Simplify right side
    113,990.40x = 5,819,980,581.77
  5. Step 5: Solve for x
    x = 5,819,980,581.77/113,990.40
  6. Step 6: Final answer
    x = 51,056.76

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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.