Home / 84,940.04-127,436.62-66,283.72

Finding the Fourth Proportional to 84,940.04, 127,436.62 and 66,283.72

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Solution

The fourth proportional to 84,940.04, 127,436.62 and 66,283.72 is: 99,446.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,940.04 : 127,436.62 = 66,283.72 : x
  2. Step 2: Convert to fraction form
    84,940.04/127,436.62 = 66,283.72/x
  3. Step 3: Cross multiply
    84,940.04x = 127,436.62 × 66,283.72
  4. Step 4: Simplify right side
    84,940.04x = 8,446,973,237.83
  5. Step 5: Solve for x
    x = 8,446,973,237.83/84,940.04
  6. Step 6: Final answer
    x = 99,446.31

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1.5x scale

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.