Home / 89,114.02-122,967.78-50,870

Finding the Fourth Proportional to 89,114.02, 122,967.78 and 50,870

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Solution

The fourth proportional to 89,114.02, 122,967.78 and 50,870 is: 70,195.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,114.02 : 122,967.78 = 50,870 : x
  2. Step 2: Convert to fraction form
    89,114.02/122,967.78 = 50,870/x
  3. Step 3: Cross multiply
    89,114.02x = 122,967.78 × 50,870
  4. Step 4: Simplify right side
    89,114.02x = 6,255,370,968.60
  5. Step 5: Solve for x
    x = 6,255,370,968.60/89,114.02
  6. Step 6: Final answer
    x = 70,195.14

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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.