Home / 86,127.19-129,191.81-22,947

Finding the Fourth Proportional to 86,127.19, 129,191.81 and 22,947

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Solution

The fourth proportional to 86,127.19, 129,191.81 and 22,947 is: 34,420.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,127.19 : 129,191.81 = 22,947 : x
  2. Step 2: Convert to fraction form
    86,127.19/129,191.81 = 22,947/x
  3. Step 3: Cross multiply
    86,127.19x = 129,191.81 × 22,947
  4. Step 4: Simplify right side
    86,127.19x = 2,964,564,464.07
  5. Step 5: Solve for x
    x = 2,964,564,464.07/86,127.19
  6. Step 6: Final answer
    x = 34,420.77

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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.