Home / 103,661.45-155,492.18-33,547.85

Finding the Fourth Proportional to 103,661.45, 155,492.18 and 33,547.85

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Solution

The fourth proportional to 103,661.45, 155,492.18 and 33,547.85 is: 50,321.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,661.45 : 155,492.18 = 33,547.85 : x
  2. Step 2: Convert to fraction form
    103,661.45/155,492.18 = 33,547.85/x
  3. Step 3: Cross multiply
    103,661.45x = 155,492.18 × 33,547.85
  4. Step 4: Simplify right side
    103,661.45x = 5,216,428,330.81
  5. Step 5: Solve for x
    x = 5,216,428,330.81/103,661.45
  6. Step 6: Final answer
    x = 50,321.78

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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.