Home / 76,011.28-104,896.23-42,019.23

Finding the Fourth Proportional to 76,011.28, 104,896.23 and 42,019.23

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Solution

The fourth proportional to 76,011.28, 104,896.23 and 42,019.23 is: 57,986.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,011.28 : 104,896.23 = 42,019.23 : x
  2. Step 2: Convert to fraction form
    76,011.28/104,896.23 = 42,019.23/x
  3. Step 3: Cross multiply
    76,011.28x = 104,896.23 × 42,019.23
  4. Step 4: Simplify right side
    76,011.28x = 4,407,658,814.50
  5. Step 5: Solve for x
    x = 4,407,658,814.50/76,011.28
  6. Step 6: Final answer
    x = 57,986.90

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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.