Home / 88,162.95-121,666.28-49,921.46

Finding the Fourth Proportional to 88,162.95, 121,666.28 and 49,921.46

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Solution

The fourth proportional to 88,162.95, 121,666.28 and 49,921.46 is: 68,892.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,162.95 : 121,666.28 = 49,921.46 : x
  2. Step 2: Convert to fraction form
    88,162.95/121,666.28 = 49,921.46/x
  3. Step 3: Cross multiply
    88,162.95x = 121,666.28 × 49,921.46
  4. Step 4: Simplify right side
    88,162.95x = 6,073,759,069.36
  5. Step 5: Solve for x
    x = 6,073,759,069.36/88,162.95
  6. Step 6: Final answer
    x = 68,892.42

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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.