Home / 86,938.11-119,968.02-52,942.86

Finding the Fourth Proportional to 86,938.11, 119,968.02 and 52,942.86

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Solution

The fourth proportional to 86,938.11, 119,968.02 and 52,942.86 is: 73,057.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,938.11 : 119,968.02 = 52,942.86 : x
  2. Step 2: Convert to fraction form
    86,938.11/119,968.02 = 52,942.86/x
  3. Step 3: Cross multiply
    86,938.11x = 119,968.02 × 52,942.86
  4. Step 4: Simplify right side
    86,938.11x = 6,351,450,087.34
  5. Step 5: Solve for x
    x = 6,351,450,087.34/86,938.11
  6. Step 6: Final answer
    x = 73,057.14

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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.