Home / 89,085.42-122,939.86-50,844.20

Finding the Fourth Proportional to 89,085.42, 122,939.86 and 50,844.20

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Solution

The fourth proportional to 89,085.42, 122,939.86 and 50,844.20 is: 70,166.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,085.42 : 122,939.86 = 50,844.20 : x
  2. Step 2: Convert to fraction form
    89,085.42/122,939.86 = 50,844.20/x
  3. Step 3: Cross multiply
    89,085.42x = 122,939.86 × 50,844.20
  4. Step 4: Simplify right side
    89,085.42x = 6,250,778,829.81
  5. Step 5: Solve for x
    x = 6,250,778,829.81/89,085.42
  6. Step 6: Final answer
    x = 70,166.13

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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.