Home / 117,873.93-162,554.18-90,973.83

Finding the Fourth Proportional to 117,873.93, 162,554.18 and 90,973.83

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Solution

The fourth proportional to 117,873.93, 162,554.18 and 90,973.83 is: 125,457.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,873.93 : 162,554.18 = 90,973.83 : x
  2. Step 2: Convert to fraction form
    117,873.93/162,554.18 = 90,973.83/x
  3. Step 3: Cross multiply
    117,873.93x = 162,554.18 × 90,973.83
  4. Step 4: Simplify right side
    117,873.93x = 14,788,175,882.24
  5. Step 5: Solve for x
    x = 14,788,175,882.24/117,873.93
  6. Step 6: Final answer
    x = 125,457.56

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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.