Home / 98,919.51-148,048.77-58,808.31

Finding the Fourth Proportional to 98,919.51, 148,048.77 and 58,808.31

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Solution

The fourth proportional to 98,919.51, 148,048.77 and 58,808.31 is: 88,015.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,919.51 : 148,048.77 = 58,808.31 : x
  2. Step 2: Convert to fraction form
    98,919.51/148,048.77 = 58,808.31/x
  3. Step 3: Cross multiply
    98,919.51x = 148,048.77 × 58,808.31
  4. Step 4: Simplify right side
    98,919.51x = 8,706,497,961.28
  5. Step 5: Solve for x
    x = 8,706,497,961.28/98,919.51
  6. Step 6: Final answer
    x = 88,015.98

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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.