Home / 98,686.14-136,176.82-58,392.01

Finding the Fourth Proportional to 98,686.14, 136,176.82 and 58,392.01

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Solution

The fourth proportional to 98,686.14, 136,176.82 and 58,392.01 is: 80,575.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,686.14 : 136,176.82 = 58,392.01 : x
  2. Step 2: Convert to fraction form
    98,686.14/136,176.82 = 58,392.01/x
  3. Step 3: Cross multiply
    98,686.14x = 136,176.82 × 58,392.01
  4. Step 4: Simplify right side
    98,686.14x = 7,951,638,235.21
  5. Step 5: Solve for x
    x = 7,951,638,235.21/98,686.14
  6. Step 6: Final answer
    x = 80,575.03

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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.