Home / 84,960.78-127,443.06-30,923.70

Finding the Fourth Proportional to 84,960.78, 127,443.06 and 30,923.70

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Solution

The fourth proportional to 84,960.78, 127,443.06 and 30,923.70 is: 46,386.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,960.78 : 127,443.06 = 30,923.70 : x
  2. Step 2: Convert to fraction form
    84,960.78/127,443.06 = 30,923.70/x
  3. Step 3: Cross multiply
    84,960.78x = 127,443.06 × 30,923.70
  4. Step 4: Simplify right side
    84,960.78x = 3,941,010,954.52
  5. Step 5: Solve for x
    x = 3,941,010,954.52/84,960.78
  6. Step 6: Final answer
    x = 46,386.24

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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.