Home / 84,931.07-127,399.49-22,601.63

Finding the Fourth Proportional to 84,931.07, 127,399.49 and 22,601.63

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Solution

The fourth proportional to 84,931.07, 127,399.49 and 22,601.63 is: 33,903.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,931.07 : 127,399.49 = 22,601.63 : x
  2. Step 2: Convert to fraction form
    84,931.07/127,399.49 = 22,601.63/x
  3. Step 3: Cross multiply
    84,931.07x = 127,399.49 × 22,601.63
  4. Step 4: Simplify right side
    84,931.07x = 2,879,436,135.17
  5. Step 5: Solve for x
    x = 2,879,436,135.17/84,931.07
  6. Step 6: Final answer
    x = 33,903.21

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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.