Home / 86,685.04-119,610.80-52,687.68

Finding the Fourth Proportional to 86,685.04, 119,610.80 and 52,687.68

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Solution

The fourth proportional to 86,685.04, 119,610.80 and 52,687.68 is: 72,700.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,685.04 : 119,610.80 = 52,687.68 : x
  2. Step 2: Convert to fraction form
    86,685.04/119,610.80 = 52,687.68/x
  3. Step 3: Cross multiply
    86,685.04x = 119,610.80 × 52,687.68
  4. Step 4: Simplify right side
    86,685.04x = 6,302,015,554.94
  5. Step 5: Solve for x
    x = 6,302,015,554.94/86,685.04
  6. Step 6: Final answer
    x = 72,700.15

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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.