Home / 61,261.24-91,904.61-19,139.62

Finding the Fourth Proportional to 61,261.24, 91,904.61 and 19,139.62

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Solution

The fourth proportional to 61,261.24, 91,904.61 and 19,139.62 is: 28,713.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,261.24 : 91,904.61 = 19,139.62 : x
  2. Step 2: Convert to fraction form
    61,261.24/91,904.61 = 19,139.62/x
  3. Step 3: Cross multiply
    61,261.24x = 91,904.61 × 19,139.62
  4. Step 4: Simplify right side
    61,261.24x = 1,759,019,311.65
  5. Step 5: Solve for x
    x = 1,759,019,311.65/61,261.24
  6. Step 6: Final answer
    x = 28,713.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.