Home / 85,075.96-127,632.41-25,910.07

Finding the Fourth Proportional to 85,075.96, 127,632.41 and 25,910.07

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Solution

The fourth proportional to 85,075.96, 127,632.41 and 25,910.07 is: 38,870.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,075.96 : 127,632.41 = 25,910.07 : x
  2. Step 2: Convert to fraction form
    85,075.96/127,632.41 = 25,910.07/x
  3. Step 3: Cross multiply
    85,075.96x = 127,632.41 × 25,910.07
  4. Step 4: Simplify right side
    85,075.96x = 3,306,964,547.82
  5. Step 5: Solve for x
    x = 3,306,964,547.82/85,075.96
  6. Step 6: Final answer
    x = 38,870.73

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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.