Home / 98,903.31-136,477.74-58,610.25

Finding the Fourth Proportional to 98,903.31, 136,477.74 and 58,610.25

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Solution

The fourth proportional to 98,903.31, 136,477.74 and 58,610.25 is: 80,876.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,903.31 : 136,477.74 = 58,610.25 : x
  2. Step 2: Convert to fraction form
    98,903.31/136,477.74 = 58,610.25/x
  3. Step 3: Cross multiply
    98,903.31x = 136,477.74 × 58,610.25
  4. Step 4: Simplify right side
    98,903.31x = 7,998,994,460.84
  5. Step 5: Solve for x
    x = 7,998,994,460.84/98,903.31
  6. Step 6: Final answer
    x = 80,876.91

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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.