Home / 84,038.32-115,936.14-60,156.28

Finding the Fourth Proportional to 84,038.32, 115,936.14 and 60,156.28

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Solution

The fourth proportional to 84,038.32, 115,936.14 and 60,156.28 is: 82,989.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,038.32 : 115,936.14 = 60,156.28 : x
  2. Step 2: Convert to fraction form
    84,038.32/115,936.14 = 60,156.28/x
  3. Step 3: Cross multiply
    84,038.32x = 115,936.14 × 60,156.28
  4. Step 4: Simplify right side
    84,038.32x = 6,974,286,899.96
  5. Step 5: Solve for x
    x = 6,974,286,899.96/84,038.32
  6. Step 6: Final answer
    x = 82,989.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.