Home / 85,174.07-127,597.35-47,620.25

Finding the Fourth Proportional to 85,174.07, 127,597.35 and 47,620.25

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Solution

The fourth proportional to 85,174.07, 127,597.35 and 47,620.25 is: 71,338.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,174.07 : 127,597.35 = 47,620.25 : x
  2. Step 2: Convert to fraction form
    85,174.07/127,597.35 = 47,620.25/x
  3. Step 3: Cross multiply
    85,174.07x = 127,597.35 × 47,620.25
  4. Step 4: Simplify right side
    85,174.07x = 6,076,217,068.35
  5. Step 5: Solve for x
    x = 6,076,217,068.35/85,174.07
  6. Step 6: Final answer
    x = 71,338.81

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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.