Home / 98,521.84-135,945.43-55,495.18

Finding the Fourth Proportional to 98,521.84, 135,945.43 and 55,495.18

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Solution

The fourth proportional to 98,521.84, 135,945.43 and 55,495.18 is: 76,575.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,521.84 : 135,945.43 = 55,495.18 : x
  2. Step 2: Convert to fraction form
    98,521.84/135,945.43 = 55,495.18/x
  3. Step 3: Cross multiply
    98,521.84x = 135,945.43 × 55,495.18
  4. Step 4: Simplify right side
    98,521.84x = 7,544,316,108.03
  5. Step 5: Solve for x
    x = 7,544,316,108.03/98,521.84
  6. Step 6: Final answer
    x = 76,575.06

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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.