Home / 88,042.68-121,546.02-68,881.74

Finding the Fourth Proportional to 88,042.68, 121,546.02 and 68,881.74

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Solution

The fourth proportional to 88,042.68, 121,546.02 and 68,881.74 is: 95,093.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,042.68 : 121,546.02 = 68,881.74 : x
  2. Step 2: Convert to fraction form
    88,042.68/121,546.02 = 68,881.74/x
  3. Step 3: Cross multiply
    88,042.68x = 121,546.02 × 68,881.74
  4. Step 4: Simplify right side
    88,042.68x = 8,372,301,347.67
  5. Step 5: Solve for x
    x = 8,372,301,347.67/88,042.68
  6. Step 6: Final answer
    x = 95,093.67

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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.