Home / 102,746.39-154,207.06-40,460.63

Finding the Fourth Proportional to 102,746.39, 154,207.06 and 40,460.63

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Solution

The fourth proportional to 102,746.39, 154,207.06 and 40,460.63 is: 60,725.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,746.39 : 154,207.06 = 40,460.63 : x
  2. Step 2: Convert to fraction form
    102,746.39/154,207.06 = 40,460.63/x
  3. Step 3: Cross multiply
    102,746.39x = 154,207.06 × 40,460.63
  4. Step 4: Simplify right side
    102,746.39x = 6,239,313,925.86
  5. Step 5: Solve for x
    x = 6,239,313,925.86/102,746.39
  6. Step 6: Final answer
    x = 60,725.39

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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.