Home / 94,033.86-129,655.60-76,975.26

Finding the Fourth Proportional to 94,033.86, 129,655.60 and 76,975.26

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Solution

The fourth proportional to 94,033.86, 129,655.60 and 76,975.26 is: 106,134.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,033.86 : 129,655.60 = 76,975.26 : x
  2. Step 2: Convert to fraction form
    94,033.86/129,655.60 = 76,975.26/x
  3. Step 3: Cross multiply
    94,033.86x = 129,655.60 × 76,975.26
  4. Step 4: Simplify right side
    94,033.86x = 9,980,273,520.46
  5. Step 5: Solve for x
    x = 9,980,273,520.46/94,033.86
  6. Step 6: Final answer
    x = 106,134.89

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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.