Home / 112,935.28-155,846.28-62,633.20

Finding the Fourth Proportional to 112,935.28, 155,846.28 and 62,633.20

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Solution

The fourth proportional to 112,935.28, 155,846.28 and 62,633.20 is: 86,431.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,935.28 : 155,846.28 = 62,633.20 : x
  2. Step 2: Convert to fraction form
    112,935.28/155,846.28 = 62,633.20/x
  3. Step 3: Cross multiply
    112,935.28x = 155,846.28 × 62,633.20
  4. Step 4: Simplify right side
    112,935.28x = 9,761,151,224.50
  5. Step 5: Solve for x
    x = 9,761,151,224.50/112,935.28
  6. Step 6: Final answer
    x = 86,431.37

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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.