Home / 98,293.74-135,567.35-63,800.77

Finding the Fourth Proportional to 98,293.74, 135,567.35 and 63,800.77

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Solution

The fourth proportional to 98,293.74, 135,567.35 and 63,800.77 is: 87,994.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,293.74 : 135,567.35 = 63,800.77 : x
  2. Step 2: Convert to fraction form
    98,293.74/135,567.35 = 63,800.77/x
  3. Step 3: Cross multiply
    98,293.74x = 135,567.35 × 63,800.77
  4. Step 4: Simplify right side
    98,293.74x = 8,649,301,316.86
  5. Step 5: Solve for x
    x = 8,649,301,316.86/98,293.74
  6. Step 6: Final answer
    x = 87,994.43

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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.