Home / 77,945.77-116,930.90-25,342.95

Finding the Fourth Proportional to 77,945.77, 116,930.90 and 25,342.95

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Solution

The fourth proportional to 77,945.77, 116,930.90 and 25,342.95 is: 38,018.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,945.77 : 116,930.90 = 25,342.95 : x
  2. Step 2: Convert to fraction form
    77,945.77/116,930.90 = 25,342.95/x
  3. Step 3: Cross multiply
    77,945.77x = 116,930.90 × 25,342.95
  4. Step 4: Simplify right side
    77,945.77x = 2,963,373,952.16
  5. Step 5: Solve for x
    x = 2,963,373,952.16/77,945.77
  6. Step 6: Final answer
    x = 38,018.41

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1.5x scale

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.