Home / 98,944.34-136,536.44-63,130.39

Finding the Fourth Proportional to 98,944.34, 136,536.44 and 63,130.39

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Solution

The fourth proportional to 98,944.34, 136,536.44 and 63,130.39 is: 87,115.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,944.34 : 136,536.44 = 63,130.39 : x
  2. Step 2: Convert to fraction form
    98,944.34/136,536.44 = 63,130.39/x
  3. Step 3: Cross multiply
    98,944.34x = 136,536.44 × 63,130.39
  4. Step 4: Simplify right side
    98,944.34x = 8,619,598,706.41
  5. Step 5: Solve for x
    x = 8,619,598,706.41/98,944.34
  6. Step 6: Final answer
    x = 87,115.63

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.