Home / 104,912.90-157,434.96-42,583.40

Finding the Fourth Proportional to 104,912.90, 157,434.96 and 42,583.40

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Solution

The fourth proportional to 104,912.90, 157,434.96 and 42,583.40 is: 63,901.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,912.90 : 157,434.96 = 42,583.40 : x
  2. Step 2: Convert to fraction form
    104,912.90/157,434.96 = 42,583.40/x
  3. Step 3: Cross multiply
    104,912.90x = 157,434.96 × 42,583.40
  4. Step 4: Simplify right side
    104,912.90x = 6,704,115,875.66
  5. Step 5: Solve for x
    x = 6,704,115,875.66/104,912.90
  6. Step 6: Final answer
    x = 63,901.73

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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.