Home / 76,509.20-114,666.06-61,725.08

Finding the Fourth Proportional to 76,509.20, 114,666.06 and 61,725.08

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Solution

The fourth proportional to 76,509.20, 114,666.06 and 61,725.08 is: 92,508.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,509.20 : 114,666.06 = 61,725.08 : x
  2. Step 2: Convert to fraction form
    76,509.20/114,666.06 = 61,725.08/x
  3. Step 3: Cross multiply
    76,509.20x = 114,666.06 × 61,725.08
  4. Step 4: Simplify right side
    76,509.20x = 7,077,771,726.78
  5. Step 5: Solve for x
    x = 7,077,771,726.78/76,509.20
  6. Step 6: Final answer
    x = 92,508.77

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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.