Home / 116,873.16-161,273.06-69,117.18

Finding the Fourth Proportional to 116,873.16, 161,273.06 and 69,117.18

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Solution

The fourth proportional to 116,873.16, 161,273.06 and 69,117.18 is: 95,374.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,873.16 : 161,273.06 = 69,117.18 : x
  2. Step 2: Convert to fraction form
    116,873.16/161,273.06 = 69,117.18/x
  3. Step 3: Cross multiply
    116,873.16x = 161,273.06 × 69,117.18
  4. Step 4: Simplify right side
    116,873.16x = 11,146,739,117.17
  5. Step 5: Solve for x
    x = 11,146,739,117.17/116,873.16
  6. Step 6: Final answer
    x = 95,374.67

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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.