Home / 85,088.25-127,617.33-31,768.26

Finding the Fourth Proportional to 85,088.25, 127,617.33 and 31,768.26

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Solution

The fourth proportional to 85,088.25, 127,617.33 and 31,768.26 is: 47,646.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,088.25 : 127,617.33 = 31,768.26 : x
  2. Step 2: Convert to fraction form
    85,088.25/127,617.33 = 31,768.26/x
  3. Step 3: Cross multiply
    85,088.25x = 127,617.33 × 31,768.26
  4. Step 4: Simplify right side
    85,088.25x = 4,054,180,519.95
  5. Step 5: Solve for x
    x = 4,054,180,519.95/85,088.25
  6. Step 6: Final answer
    x = 47,646.77

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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.