Home / 79,316.06-109,455.14-45,324.16

Finding the Fourth Proportional to 79,316.06, 109,455.14 and 45,324.16

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Solution

The fourth proportional to 79,316.06, 109,455.14 and 45,324.16 is: 62,546.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,316.06 : 109,455.14 = 45,324.16 : x
  2. Step 2: Convert to fraction form
    79,316.06/109,455.14 = 45,324.16/x
  3. Step 3: Cross multiply
    79,316.06x = 109,455.14 × 45,324.16
  4. Step 4: Simplify right side
    79,316.06x = 4,960,961,617.60
  5. Step 5: Solve for x
    x = 4,960,961,617.60/79,316.06
  6. Step 6: Final answer
    x = 62,546.75

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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.