Home / 94,016.88-129,631.32-86,085.36

Finding the Fourth Proportional to 94,016.88, 129,631.32 and 86,085.36

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Solution

The fourth proportional to 94,016.88, 129,631.32 and 86,085.36 is: 118,695.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,016.88 : 129,631.32 = 86,085.36 : x
  2. Step 2: Convert to fraction form
    94,016.88/129,631.32 = 86,085.36/x
  3. Step 3: Cross multiply
    94,016.88x = 129,631.32 × 86,085.36
  4. Step 4: Simplify right side
    94,016.88x = 11,159,358,849.48
  5. Step 5: Solve for x
    x = 11,159,358,849.48/94,016.88
  6. Step 6: Final answer
    x = 118,695.27

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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.