Home / 98,237.25-135,589.28-62,420.27

Finding the Fourth Proportional to 98,237.25, 135,589.28 and 62,420.27

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Solution

The fourth proportional to 98,237.25, 135,589.28 and 62,420.27 is: 86,153.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,237.25 : 135,589.28 = 62,420.27 : x
  2. Step 2: Convert to fraction form
    98,237.25/135,589.28 = 62,420.27/x
  3. Step 3: Cross multiply
    98,237.25x = 135,589.28 × 62,420.27
  4. Step 4: Simplify right side
    98,237.25x = 8,463,518,476.66
  5. Step 5: Solve for x
    x = 8,463,518,476.66/98,237.25
  6. Step 6: Final answer
    x = 86,153.86

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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.