Home / 103,050.28-154,597.59-31,971.49

Finding the Fourth Proportional to 103,050.28, 154,597.59 and 31,971.49

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Solution

The fourth proportional to 103,050.28, 154,597.59 and 31,971.49 is: 47,964.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,050.28 : 154,597.59 = 31,971.49 : x
  2. Step 2: Convert to fraction form
    103,050.28/154,597.59 = 31,971.49/x
  3. Step 3: Cross multiply
    103,050.28x = 154,597.59 × 31,971.49
  4. Step 4: Simplify right side
    103,050.28x = 4,942,715,302.71
  5. Step 5: Solve for x
    x = 4,942,715,302.71/103,050.28
  6. Step 6: Final answer
    x = 47,964.11

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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.