Home / 112,027.56-167,866.29-70,387.08

Finding the Fourth Proportional to 112,027.56, 167,866.29 and 70,387.08

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Solution

The fourth proportional to 112,027.56, 167,866.29 and 70,387.08 is: 105,470.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,027.56 : 167,866.29 = 70,387.08 : x
  2. Step 2: Convert to fraction form
    112,027.56/167,866.29 = 70,387.08/x
  3. Step 3: Cross multiply
    112,027.56x = 167,866.29 × 70,387.08
  4. Step 4: Simplify right side
    112,027.56x = 11,815,617,983.53
  5. Step 5: Solve for x
    x = 11,815,617,983.53/112,027.56
  6. Step 6: Final answer
    x = 105,470.64

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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.