Home / 84,763.76-127,147.80-25,601.36

Finding the Fourth Proportional to 84,763.76, 127,147.80 and 25,601.36

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Solution

The fourth proportional to 84,763.76, 127,147.80 and 25,601.36 is: 38,402.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,763.76 : 127,147.80 = 25,601.36 : x
  2. Step 2: Convert to fraction form
    84,763.76/127,147.80 = 25,601.36/x
  3. Step 3: Cross multiply
    84,763.76x = 127,147.80 × 25,601.36
  4. Step 4: Simplify right side
    84,763.76x = 3,255,156,601.01
  5. Step 5: Solve for x
    x = 3,255,156,601.01/84,763.76
  6. Step 6: Final answer
    x = 38,402.69

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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.