Home / 85,072.96-127,638.06-37,681.48

Finding the Fourth Proportional to 85,072.96, 127,638.06 and 37,681.48

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Solution

The fourth proportional to 85,072.96, 127,638.06 and 37,681.48 is: 56,534.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,072.96 : 127,638.06 = 37,681.48 : x
  2. Step 2: Convert to fraction form
    85,072.96/127,638.06 = 37,681.48/x
  3. Step 3: Cross multiply
    85,072.96x = 127,638.06 × 37,681.48
  4. Step 4: Simplify right side
    85,072.96x = 4,809,591,005.13
  5. Step 5: Solve for x
    x = 4,809,591,005.13/85,072.96
  6. Step 6: Final answer
    x = 56,534.90

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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.