Home / 70,716.63-97,591.46-38,887.95

Finding the Fourth Proportional to 70,716.63, 97,591.46 and 38,887.95

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Solution

The fourth proportional to 70,716.63, 97,591.46 and 38,887.95 is: 53,666.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,716.63 : 97,591.46 = 38,887.95 : x
  2. Step 2: Convert to fraction form
    70,716.63/97,591.46 = 38,887.95/x
  3. Step 3: Cross multiply
    70,716.63x = 97,591.46 × 38,887.95
  4. Step 4: Simplify right side
    70,716.63x = 3,795,131,816.91
  5. Step 5: Solve for x
    x = 3,795,131,816.91/70,716.63
  6. Step 6: Final answer
    x = 53,666.75

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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.