Home / 88,925.14-122,720.62-51,211.54

Finding the Fourth Proportional to 88,925.14, 122,720.62 and 51,211.54

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Solution

The fourth proportional to 88,925.14, 122,720.62 and 51,211.54 is: 70,674.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,925.14 : 122,720.62 = 51,211.54 : x
  2. Step 2: Convert to fraction form
    88,925.14/122,720.62 = 51,211.54/x
  3. Step 3: Cross multiply
    88,925.14x = 122,720.62 × 51,211.54
  4. Step 4: Simplify right side
    88,925.14x = 6,284,711,326.35
  5. Step 5: Solve for x
    x = 6,284,711,326.35/88,925.14
  6. Step 6: Final answer
    x = 70,674.18

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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.