Home / 93,519.12-129,015.27-55,771.50

Finding the Fourth Proportional to 93,519.12, 129,015.27 and 55,771.50

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Solution

The fourth proportional to 93,519.12, 129,015.27 and 55,771.50 is: 76,940.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,519.12 : 129,015.27 = 55,771.50 : x
  2. Step 2: Convert to fraction form
    93,519.12/129,015.27 = 55,771.50/x
  3. Step 3: Cross multiply
    93,519.12x = 129,015.27 × 55,771.50
  4. Step 4: Simplify right side
    93,519.12x = 7,195,375,130.81
  5. Step 5: Solve for x
    x = 7,195,375,130.81/93,519.12
  6. Step 6: Final answer
    x = 76,940.15

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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.