Home / 86,934.11-119,987.75-52,953.80

Finding the Fourth Proportional to 86,934.11, 119,987.75 and 52,953.80

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Solution

The fourth proportional to 86,934.11, 119,987.75 and 52,953.80 is: 73,087.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,934.11 : 119,987.75 = 52,953.80 : x
  2. Step 2: Convert to fraction form
    86,934.11/119,987.75 = 52,953.80/x
  3. Step 3: Cross multiply
    86,934.11x = 119,987.75 × 52,953.80
  4. Step 4: Simplify right side
    86,934.11x = 6,353,807,315.95
  5. Step 5: Solve for x
    x = 6,353,807,315.95/86,934.11
  6. Step 6: Final answer
    x = 73,087.62

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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.