Home / 81,066.48-121,547.08-33,668.56

Finding the Fourth Proportional to 81,066.48, 121,547.08 and 33,668.56

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Solution

The fourth proportional to 81,066.48, 121,547.08 and 33,668.56 is: 50,480.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,066.48 : 121,547.08 = 33,668.56 : x
  2. Step 2: Convert to fraction form
    81,066.48/121,547.08 = 33,668.56/x
  3. Step 3: Cross multiply
    81,066.48x = 121,547.08 × 33,668.56
  4. Step 4: Simplify right side
    81,066.48x = 4,092,315,155.80
  5. Step 5: Solve for x
    x = 4,092,315,155.80/81,066.48
  6. Step 6: Final answer
    x = 50,480.98

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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.