Home / 112,924.32-169,421.56-67,995.13

Finding the Fourth Proportional to 112,924.32, 169,421.56 and 67,995.13

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Solution

The fourth proportional to 112,924.32, 169,421.56 and 67,995.13 is: 102,013.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,924.32 : 169,421.56 = 67,995.13 : x
  2. Step 2: Convert to fraction form
    112,924.32/169,421.56 = 67,995.13/x
  3. Step 3: Cross multiply
    112,924.32x = 169,421.56 × 67,995.13
  4. Step 4: Simplify right side
    112,924.32x = 11,519,840,997.00
  5. Step 5: Solve for x
    x = 11,519,840,997.00/112,924.32
  6. Step 6: Final answer
    x = 102,013.82

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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.