Home / 90,933.64-125,453.64-56,928.04

Finding the Fourth Proportional to 90,933.64, 125,453.64 and 56,928.04

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Solution

The fourth proportional to 90,933.64, 125,453.64 and 56,928.04 is: 78,538.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,933.64 : 125,453.64 = 56,928.04 : x
  2. Step 2: Convert to fraction form
    90,933.64/125,453.64 = 56,928.04/x
  3. Step 3: Cross multiply
    90,933.64x = 125,453.64 × 56,928.04
  4. Step 4: Simplify right side
    90,933.64x = 7,141,829,836.07
  5. Step 5: Solve for x
    x = 7,141,829,836.07/90,933.64
  6. Step 6: Final answer
    x = 78,538.92

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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.