Home / 104,742.32-157,093.19-40,700.34

Finding the Fourth Proportional to 104,742.32, 157,093.19 and 40,700.34

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Solution

The fourth proportional to 104,742.32, 157,093.19 and 40,700.34 is: 61,042.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,742.32 : 157,093.19 = 40,700.34 : x
  2. Step 2: Convert to fraction form
    104,742.32/157,093.19 = 40,700.34/x
  3. Step 3: Cross multiply
    104,742.32x = 157,093.19 × 40,700.34
  4. Step 4: Simplify right side
    104,742.32x = 6,393,746,193.81
  5. Step 5: Solve for x
    x = 6,393,746,193.81/104,742.32
  6. Step 6: Final answer
    x = 61,042.63

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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.