Home / 86,007.04-118,686.72-50,198.08

Finding the Fourth Proportional to 86,007.04, 118,686.72 and 50,198.08

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Solution

The fourth proportional to 86,007.04, 118,686.72 and 50,198.08 is: 69,271.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,007.04 : 118,686.72 = 50,198.08 : x
  2. Step 2: Convert to fraction form
    86,007.04/118,686.72 = 50,198.08/x
  3. Step 3: Cross multiply
    86,007.04x = 118,686.72 × 50,198.08
  4. Step 4: Simplify right side
    86,007.04x = 5,957,845,465.50
  5. Step 5: Solve for x
    x = 5,957,845,465.50/86,007.04
  6. Step 6: Final answer
    x = 69,271.60

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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.