Home / 89,016.12-122,837.52-50,776.68

Finding the Fourth Proportional to 89,016.12, 122,837.52 and 50,776.68

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Solution

The fourth proportional to 89,016.12, 122,837.52 and 50,776.68 is: 70,069.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,016.12 : 122,837.52 = 50,776.68 : x
  2. Step 2: Convert to fraction form
    89,016.12/122,837.52 = 50,776.68/x
  3. Step 3: Cross multiply
    89,016.12x = 122,837.52 × 50,776.68
  4. Step 4: Simplify right side
    89,016.12x = 6,237,281,445.03
  5. Step 5: Solve for x
    x = 6,237,281,445.03/89,016.12
  6. Step 6: Final answer
    x = 70,069.12

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1.5x scale

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.