Home / 91,299.88-125,946.66-57,785.32

Finding the Fourth Proportional to 91,299.88, 125,946.66 and 57,785.32

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Solution

The fourth proportional to 91,299.88, 125,946.66 and 57,785.32 is: 79,713.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,299.88 : 125,946.66 = 57,785.32 : x
  2. Step 2: Convert to fraction form
    91,299.88/125,946.66 = 57,785.32/x
  3. Step 3: Cross multiply
    91,299.88x = 125,946.66 × 57,785.32
  4. Step 4: Simplify right side
    91,299.88x = 7,277,868,051.03
  5. Step 5: Solve for x
    x = 7,277,868,051.03/91,299.88
  6. Step 6: Final answer
    x = 79,713.88

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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.