Home / 95,494.23-143,812.63-86,981.72

Finding the Fourth Proportional to 95,494.23, 143,812.63 and 86,981.72

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Solution

The fourth proportional to 95,494.23, 143,812.63 and 86,981.72 is: 130,992.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,494.23 : 143,812.63 = 86,981.72 : x
  2. Step 2: Convert to fraction form
    95,494.23/143,812.63 = 86,981.72/x
  3. Step 3: Cross multiply
    95,494.23x = 143,812.63 × 86,981.72
  4. Step 4: Simplify right side
    95,494.23x = 12,509,069,304.79
  5. Step 5: Solve for x
    x = 12,509,069,304.79/95,494.23
  6. Step 6: Final answer
    x = 130,992.93

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.