Home / 76,935.07-115,315.12-32,534.11

Finding the Fourth Proportional to 76,935.07, 115,315.12 and 32,534.11

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Solution

The fourth proportional to 76,935.07, 115,315.12 and 32,534.11 is: 48,764.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,935.07 : 115,315.12 = 32,534.11 : x
  2. Step 2: Convert to fraction form
    76,935.07/115,315.12 = 32,534.11/x
  3. Step 3: Cross multiply
    76,935.07x = 115,315.12 × 32,534.11
  4. Step 4: Simplify right side
    76,935.07x = 3,751,674,798.74
  5. Step 5: Solve for x
    x = 3,751,674,798.74/76,935.07
  6. Step 6: Final answer
    x = 48,764.17

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.