Home / 124,011.89-171,135.56-67,423.26

Finding the Fourth Proportional to 124,011.89, 171,135.56 and 67,423.26

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Solution

The fourth proportional to 124,011.89, 171,135.56 and 67,423.26 is: 93,043.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,011.89 : 171,135.56 = 67,423.26 : x
  2. Step 2: Convert to fraction form
    124,011.89/171,135.56 = 67,423.26/x
  3. Step 3: Cross multiply
    124,011.89x = 171,135.56 × 67,423.26
  4. Step 4: Simplify right side
    124,011.89x = 11,538,517,447.85
  5. Step 5: Solve for x
    x = 11,538,517,447.85/124,011.89
  6. Step 6: Final answer
    x = 93,043.64

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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.