Home / 77,829.92-116,673.08-30,477.26

Finding the Fourth Proportional to 77,829.92, 116,673.08 and 30,477.26

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Solution

The fourth proportional to 77,829.92, 116,673.08 and 30,477.26 is: 45,687.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,829.92 : 116,673.08 = 30,477.26 : x
  2. Step 2: Convert to fraction form
    77,829.92/116,673.08 = 30,477.26/x
  3. Step 3: Cross multiply
    77,829.92x = 116,673.08 × 30,477.26
  4. Step 4: Simplify right side
    77,829.92x = 3,555,875,058.41
  5. Step 5: Solve for x
    x = 3,555,875,058.41/77,829.92
  6. Step 6: Final answer
    x = 45,687.77

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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.