Home / 84,946.48-127,420.12-25,782.66

Finding the Fourth Proportional to 84,946.48, 127,420.12 and 25,782.66

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Solution

The fourth proportional to 84,946.48, 127,420.12 and 25,782.66 is: 38,674.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,946.48 : 127,420.12 = 25,782.66 : x
  2. Step 2: Convert to fraction form
    84,946.48/127,420.12 = 25,782.66/x
  3. Step 3: Cross multiply
    84,946.48x = 127,420.12 × 25,782.66
  4. Step 4: Simplify right side
    84,946.48x = 3,285,229,566.66
  5. Step 5: Solve for x
    x = 3,285,229,566.66/84,946.48
  6. Step 6: Final answer
    x = 38,674.11

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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.