Home / 86,421.51-119,288.04-50,132.13

Finding the Fourth Proportional to 86,421.51, 119,288.04 and 50,132.13

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Solution

The fourth proportional to 86,421.51, 119,288.04 and 50,132.13 is: 69,197.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,421.51 : 119,288.04 = 50,132.13 : x
  2. Step 2: Convert to fraction form
    86,421.51/119,288.04 = 50,132.13/x
  3. Step 3: Cross multiply
    86,421.51x = 119,288.04 × 50,132.13
  4. Step 4: Simplify right side
    86,421.51x = 5,980,163,343.95
  5. Step 5: Solve for x
    x = 5,980,163,343.95/86,421.51
  6. Step 6: Final answer
    x = 69,197.63

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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.