Home / 79,900.28-110,275.80-48,072.14

Finding the Fourth Proportional to 79,900.28, 110,275.80 and 48,072.14

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Solution

The fourth proportional to 79,900.28, 110,275.80 and 48,072.14 is: 66,347.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,900.28 : 110,275.80 = 48,072.14 : x
  2. Step 2: Convert to fraction form
    79,900.28/110,275.80 = 48,072.14/x
  3. Step 3: Cross multiply
    79,900.28x = 110,275.80 × 48,072.14
  4. Step 4: Simplify right side
    79,900.28x = 5,301,193,696.21
  5. Step 5: Solve for x
    x = 5,301,193,696.21/79,900.28
  6. Step 6: Final answer
    x = 66,347.62

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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.