Home / 98,269.32-135,610.99-55,827.86

Finding the Fourth Proportional to 98,269.32, 135,610.99 and 55,827.86

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Solution

The fourth proportional to 98,269.32, 135,610.99 and 55,827.86 is: 77,042.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,269.32 : 135,610.99 = 55,827.86 : x
  2. Step 2: Convert to fraction form
    98,269.32/135,610.99 = 55,827.86/x
  3. Step 3: Cross multiply
    98,269.32x = 135,610.99 × 55,827.86
  4. Step 4: Simplify right side
    98,269.32x = 7,570,871,364.18
  5. Step 5: Solve for x
    x = 7,570,871,364.18/98,269.32
  6. Step 6: Final answer
    x = 77,042.07

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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.