Home / 104,809.68-157,237.20-34,689.60

Finding the Fourth Proportional to 104,809.68, 157,237.20 and 34,689.60

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Solution

The fourth proportional to 104,809.68, 157,237.20 and 34,689.60 is: 52,041.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,809.68 : 157,237.20 = 34,689.60 : x
  2. Step 2: Convert to fraction form
    104,809.68/157,237.20 = 34,689.60/x
  3. Step 3: Cross multiply
    104,809.68x = 157,237.20 × 34,689.60
  4. Step 4: Simplify right side
    104,809.68x = 5,454,495,573.12
  5. Step 5: Solve for x
    x = 5,454,495,573.12/104,809.68
  6. Step 6: Final answer
    x = 52,041.91

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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.