Home / 94,108.52-129,873.78-55,890.68

Finding the Fourth Proportional to 94,108.52, 129,873.78 and 55,890.68

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Solution

The fourth proportional to 94,108.52, 129,873.78 and 55,890.68 is: 77,131.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,108.52 : 129,873.78 = 55,890.68 : x
  2. Step 2: Convert to fraction form
    94,108.52/129,873.78 = 55,890.68/x
  3. Step 3: Cross multiply
    94,108.52x = 129,873.78 × 55,890.68
  4. Step 4: Simplify right side
    94,108.52x = 7,258,733,878.37
  5. Step 5: Solve for x
    x = 7,258,733,878.37/94,108.52
  6. Step 6: Final answer
    x = 77,131.53

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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.