Home / 98,732.77-136,231.09-58,426.36

Finding the Fourth Proportional to 98,732.77, 136,231.09 and 58,426.36

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Solution

The fourth proportional to 98,732.77, 136,231.09 and 58,426.36 is: 80,616.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,732.77 : 136,231.09 = 58,426.36 : x
  2. Step 2: Convert to fraction form
    98,732.77/136,231.09 = 58,426.36/x
  3. Step 3: Cross multiply
    98,732.77x = 136,231.09 × 58,426.36
  4. Step 4: Simplify right side
    98,732.77x = 7,959,486,220.89
  5. Step 5: Solve for x
    x = 7,959,486,220.89/98,732.77
  6. Step 6: Final answer
    x = 80,616.46

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1.5x scale

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.