Home / 86,225.40-118,967.76-50,424.21

Finding the Fourth Proportional to 86,225.40, 118,967.76 and 50,424.21

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Solution

The fourth proportional to 86,225.40, 118,967.76 and 50,424.21 is: 69,571.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,225.40 : 118,967.76 = 50,424.21 : x
  2. Step 2: Convert to fraction form
    86,225.40/118,967.76 = 50,424.21/x
  3. Step 3: Cross multiply
    86,225.40x = 118,967.76 × 50,424.21
  4. Step 4: Simplify right side
    86,225.40x = 5,998,855,313.47
  5. Step 5: Solve for x
    x = 5,998,855,313.47/86,225.40
  6. Step 6: Final answer
    x = 69,571.79

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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.