Home / 112,955.06-169,322.43-53,774.84

Finding the Fourth Proportional to 112,955.06, 169,322.43 and 53,774.84

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Solution

The fourth proportional to 112,955.06, 169,322.43 and 53,774.84 is: 80,609.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,955.06 : 169,322.43 = 53,774.84 : x
  2. Step 2: Convert to fraction form
    112,955.06/169,322.43 = 53,774.84/x
  3. Step 3: Cross multiply
    112,955.06x = 169,322.43 × 53,774.84
  4. Step 4: Simplify right side
    112,955.06x = 9,105,286,581.66
  5. Step 5: Solve for x
    x = 9,105,286,581.66/112,955.06
  6. Step 6: Final answer
    x = 80,609.82

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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.