Home / 85,212.98-127,877.07-29,809.46

Finding the Fourth Proportional to 85,212.98, 127,877.07 and 29,809.46

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Solution

The fourth proportional to 85,212.98, 127,877.07 and 29,809.46 is: 44,734.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,212.98 : 127,877.07 = 29,809.46 : x
  2. Step 2: Convert to fraction form
    85,212.98/127,877.07 = 29,809.46/x
  3. Step 3: Cross multiply
    85,212.98x = 127,877.07 × 29,809.46
  4. Step 4: Simplify right side
    85,212.98x = 3,811,946,403.08
  5. Step 5: Solve for x
    x = 3,811,946,403.08/85,212.98
  6. Step 6: Final answer
    x = 44,734.34

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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.