Home / 84,775.16-127,163.95-25,611.34

Finding the Fourth Proportional to 84,775.16, 127,163.95 and 25,611.34

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Solution

The fourth proportional to 84,775.16, 127,163.95 and 25,611.34 is: 38,417.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,775.16 : 127,163.95 = 25,611.34 : x
  2. Step 2: Convert to fraction form
    84,775.16/127,163.95 = 25,611.34/x
  3. Step 3: Cross multiply
    84,775.16x = 127,163.95 × 25,611.34
  4. Step 4: Simplify right side
    84,775.16x = 3,256,839,159.19
  5. Step 5: Solve for x
    x = 3,256,839,159.19/84,775.16
  6. Step 6: Final answer
    x = 38,417.38

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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.