Home / 102,635.52-153,903.96-52,689.84

Finding the Fourth Proportional to 102,635.52, 153,903.96 and 52,689.84

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Solution

The fourth proportional to 102,635.52, 153,903.96 and 52,689.84 is: 79,009.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,635.52 : 153,903.96 = 52,689.84 : x
  2. Step 2: Convert to fraction form
    102,635.52/153,903.96 = 52,689.84/x
  3. Step 3: Cross multiply
    102,635.52x = 153,903.96 × 52,689.84
  4. Step 4: Simplify right side
    102,635.52x = 8,109,175,027.77
  5. Step 5: Solve for x
    x = 8,109,175,027.77/102,635.52
  6. Step 6: Final answer
    x = 79,009.44

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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.