Home / 94,409.64-130,326.12-67,505.40

Finding the Fourth Proportional to 94,409.64, 130,326.12 and 67,505.40

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Solution

The fourth proportional to 94,409.64, 130,326.12 and 67,505.40 is: 93,186.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,409.64 : 130,326.12 = 67,505.40 : x
  2. Step 2: Convert to fraction form
    94,409.64/130,326.12 = 67,505.40/x
  3. Step 3: Cross multiply
    94,409.64x = 130,326.12 × 67,505.40
  4. Step 4: Simplify right side
    94,409.64x = 8,797,716,861.05
  5. Step 5: Solve for x
    x = 8,797,716,861.05/94,409.64
  6. Step 6: Final answer
    x = 93,186.64

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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.