Home / 88,177.54-121,602.11-68,002.46

Finding the Fourth Proportional to 88,177.54, 121,602.11 and 68,002.46

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Solution

The fourth proportional to 88,177.54, 121,602.11 and 68,002.46 is: 93,779.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,177.54 : 121,602.11 = 68,002.46 : x
  2. Step 2: Convert to fraction form
    88,177.54/121,602.11 = 68,002.46/x
  3. Step 3: Cross multiply
    88,177.54x = 121,602.11 × 68,002.46
  4. Step 4: Simplify right side
    88,177.54x = 8,269,242,621.19
  5. Step 5: Solve for x
    x = 8,269,242,621.19/88,177.54
  6. Step 6: Final answer
    x = 93,779.47

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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.