Home / 84,746.06-127,118.16-20,704.77

Finding the Fourth Proportional to 84,746.06, 127,118.16 and 20,704.77

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Solution

The fourth proportional to 84,746.06, 127,118.16 and 20,704.77 is: 31,056.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,746.06 : 127,118.16 = 20,704.77 : x
  2. Step 2: Convert to fraction form
    84,746.06/127,118.16 = 20,704.77/x
  3. Step 3: Cross multiply
    84,746.06x = 127,118.16 × 20,704.77
  4. Step 4: Simplify right side
    84,746.06x = 2,631,952,265.62
  5. Step 5: Solve for x
    x = 2,631,952,265.62/84,746.06
  6. Step 6: Final answer
    x = 31,056.93

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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.