Home / 97,959.16-146,856.82-45,406.36

Finding the Fourth Proportional to 97,959.16, 146,856.82 and 45,406.36

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Solution

The fourth proportional to 97,959.16, 146,856.82 and 45,406.36 is: 68,071.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,959.16 : 146,856.82 = 45,406.36 : x
  2. Step 2: Convert to fraction form
    97,959.16/146,856.82 = 45,406.36/x
  3. Step 3: Cross multiply
    97,959.16x = 146,856.82 × 45,406.36
  4. Step 4: Simplify right side
    97,959.16x = 6,668,233,637.38
  5. Step 5: Solve for x
    x = 6,668,233,637.38/97,959.16
  6. Step 6: Final answer
    x = 68,071.57

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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.