Home / 85,076.16-127,606.56-25,925.76

Finding the Fourth Proportional to 85,076.16, 127,606.56 and 25,925.76

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Solution

The fourth proportional to 85,076.16, 127,606.56 and 25,925.76 is: 38,886.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,076.16 : 127,606.56 = 25,925.76 : x
  2. Step 2: Convert to fraction form
    85,076.16/127,606.56 = 25,925.76/x
  3. Step 3: Cross multiply
    85,076.16x = 127,606.56 × 25,925.76
  4. Step 4: Simplify right side
    85,076.16x = 3,308,297,048.99
  5. Step 5: Solve for x
    x = 3,308,297,048.99/85,076.16
  6. Step 6: Final answer
    x = 38,886.30

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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.