Home / 99,087.28-136,731.36-58,794.08

Finding the Fourth Proportional to 99,087.28, 136,731.36 and 58,794.08

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Solution

The fourth proportional to 99,087.28, 136,731.36 and 58,794.08 is: 81,130.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,087.28 : 136,731.36 = 58,794.08 : x
  2. Step 2: Convert to fraction form
    99,087.28/136,731.36 = 58,794.08/x
  3. Step 3: Cross multiply
    99,087.28x = 136,731.36 × 58,794.08
  4. Step 4: Simplify right side
    99,087.28x = 8,038,994,518.35
  5. Step 5: Solve for x
    x = 8,038,994,518.35/99,087.28
  6. Step 6: Final answer
    x = 81,130.44

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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.