Home / 79,104.04-109,141.96-45,100.13

Finding the Fourth Proportional to 79,104.04, 109,141.96 and 45,100.13

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Solution

The fourth proportional to 79,104.04, 109,141.96 and 45,100.13 is: 62,225.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,104.04 : 109,141.96 = 45,100.13 : x
  2. Step 2: Convert to fraction form
    79,104.04/109,141.96 = 45,100.13/x
  3. Step 3: Cross multiply
    79,104.04x = 109,141.96 × 45,100.13
  4. Step 4: Simplify right side
    79,104.04x = 4,922,316,358.95
  5. Step 5: Solve for x
    x = 4,922,316,358.95/79,104.04
  6. Step 6: Final answer
    x = 62,225.85

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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.