Home / 94,378.40-130,238.88-51,935.84

Finding the Fourth Proportional to 94,378.40, 130,238.88 and 51,935.84

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Solution

The fourth proportional to 94,378.40, 130,238.88 and 51,935.84 is: 71,669.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,378.40 : 130,238.88 = 51,935.84 : x
  2. Step 2: Convert to fraction form
    94,378.40/130,238.88 = 51,935.84/x
  3. Step 3: Cross multiply
    94,378.40x = 130,238.88 × 51,935.84
  4. Step 4: Simplify right side
    94,378.40x = 6,764,065,633.46
  5. Step 5: Solve for x
    x = 6,764,065,633.46/94,378.40
  6. Step 6: Final answer
    x = 71,669.64

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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.