Home / 77,669.28-116,510.96-30,911.52

Finding the Fourth Proportional to 77,669.28, 116,510.96 and 30,911.52

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Solution

The fourth proportional to 77,669.28, 116,510.96 and 30,911.52 is: 46,370.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,669.28 : 116,510.96 = 30,911.52 : x
  2. Step 2: Convert to fraction form
    77,669.28/116,510.96 = 30,911.52/x
  3. Step 3: Cross multiply
    77,669.28x = 116,510.96 × 30,911.52
  4. Step 4: Simplify right side
    77,669.28x = 3,601,530,870.26
  5. Step 5: Solve for x
    x = 3,601,530,870.26/77,669.28
  6. Step 6: Final answer
    x = 46,370.08

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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.