Home / 98,608.51-136,089.31-58,335.24

Finding the Fourth Proportional to 98,608.51, 136,089.31 and 58,335.24

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Solution

The fourth proportional to 98,608.51, 136,089.31 and 58,335.24 is: 80,508.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,608.51 : 136,089.31 = 58,335.24 : x
  2. Step 2: Convert to fraction form
    98,608.51/136,089.31 = 58,335.24/x
  3. Step 3: Cross multiply
    98,608.51x = 136,089.31 × 58,335.24
  4. Step 4: Simplify right side
    98,608.51x = 7,938,802,560.28
  5. Step 5: Solve for x
    x = 7,938,802,560.28/98,608.51
  6. Step 6: Final answer
    x = 80,508.29

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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.