Home / 84,717.04-116,930.80-57,539.16

Finding the Fourth Proportional to 84,717.04, 116,930.80 and 57,539.16

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Solution

The fourth proportional to 84,717.04, 116,930.80 and 57,539.16 is: 79,418.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,717.04 : 116,930.80 = 57,539.16 : x
  2. Step 2: Convert to fraction form
    84,717.04/116,930.80 = 57,539.16/x
  3. Step 3: Cross multiply
    84,717.04x = 116,930.80 × 57,539.16
  4. Step 4: Simplify right side
    84,717.04x = 6,728,100,010.13
  5. Step 5: Solve for x
    x = 6,728,100,010.13/84,717.04
  6. Step 6: Final answer
    x = 79,418.50

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1.5x scale

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.