Home / 77,709.04-116,563.58-21,563.28

Finding the Fourth Proportional to 77,709.04, 116,563.58 and 21,563.28

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Solution

The fourth proportional to 77,709.04, 116,563.58 and 21,563.28 is: 32,344.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,709.04 : 116,563.58 = 21,563.28 : x
  2. Step 2: Convert to fraction form
    77,709.04/116,563.58 = 21,563.28/x
  3. Step 3: Cross multiply
    77,709.04x = 116,563.58 × 21,563.28
  4. Step 4: Simplify right side
    77,709.04x = 2,513,493,113.34
  5. Step 5: Solve for x
    x = 2,513,493,113.34/77,709.04
  6. Step 6: Final answer
    x = 32,344.93

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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.