Home / 81,159.48-111,908.93-52,441.34

Finding the Fourth Proportional to 81,159.48, 111,908.93 and 52,441.34

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Solution

The fourth proportional to 81,159.48, 111,908.93 and 52,441.34 is: 72,310.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,159.48 : 111,908.93 = 52,441.34 : x
  2. Step 2: Convert to fraction form
    81,159.48/111,908.93 = 52,441.34/x
  3. Step 3: Cross multiply
    81,159.48x = 111,908.93 × 52,441.34
  4. Step 4: Simplify right side
    81,159.48x = 5,868,653,425.41
  5. Step 5: Solve for x
    x = 5,868,653,425.41/81,159.48
  6. Step 6: Final answer
    x = 72,310.14

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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.