Home / 114,739.84-172,109.76-40,867.84

Finding the Fourth Proportional to 114,739.84, 172,109.76 and 40,867.84

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Solution

The fourth proportional to 114,739.84, 172,109.76 and 40,867.84 is: 61,301.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,739.84 : 172,109.76 = 40,867.84 : x
  2. Step 2: Convert to fraction form
    114,739.84/172,109.76 = 40,867.84/x
  3. Step 3: Cross multiply
    114,739.84x = 172,109.76 × 40,867.84
  4. Step 4: Simplify right side
    114,739.84x = 7,033,754,134.12
  5. Step 5: Solve for x
    x = 7,033,754,134.12/114,739.84
  6. Step 6: Final answer
    x = 61,301.76

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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.