Home / 90,770.47-125,244.84-53,037.43

Finding the Fourth Proportional to 90,770.47, 125,244.84 and 53,037.43

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Solution

The fourth proportional to 90,770.47, 125,244.84 and 53,037.43 is: 73,180.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,770.47 : 125,244.84 = 53,037.43 : x
  2. Step 2: Convert to fraction form
    90,770.47/125,244.84 = 53,037.43/x
  3. Step 3: Cross multiply
    90,770.47x = 125,244.84 × 53,037.43
  4. Step 4: Simplify right side
    90,770.47x = 6,642,664,434.36
  5. Step 5: Solve for x
    x = 6,642,664,434.36/90,770.47
  6. Step 6: Final answer
    x = 73,180.90

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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.