Home / 117,836.19-162,530.01-72,454.77

Finding the Fourth Proportional to 117,836.19, 162,530.01 and 72,454.77

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Solution

The fourth proportional to 117,836.19, 162,530.01 and 72,454.77 is: 99,935.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,836.19 : 162,530.01 = 72,454.77 : x
  2. Step 2: Convert to fraction form
    117,836.19/162,530.01 = 72,454.77/x
  3. Step 3: Cross multiply
    117,836.19x = 162,530.01 × 72,454.77
  4. Step 4: Simplify right side
    117,836.19x = 11,776,074,492.65
  5. Step 5: Solve for x
    x = 11,776,074,492.65/117,836.19
  6. Step 6: Final answer
    x = 99,935.97

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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.