Home / 102,693.41-154,038.40-35,272.30

Finding the Fourth Proportional to 102,693.41, 154,038.40 and 35,272.30

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Solution

The fourth proportional to 102,693.41, 154,038.40 and 35,272.30 is: 52,907.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,693.41 : 154,038.40 = 35,272.30 : x
  2. Step 2: Convert to fraction form
    102,693.41/154,038.40 = 35,272.30/x
  3. Step 3: Cross multiply
    102,693.41x = 154,038.40 × 35,272.30
  4. Step 4: Simplify right side
    102,693.41x = 5,433,288,656.32
  5. Step 5: Solve for x
    x = 5,433,288,656.32/102,693.41
  6. Step 6: Final answer
    x = 52,907.86

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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.