Home / 51,673.16-77,416.14-43,406.30

Finding the Fourth Proportional to 51,673.16, 77,416.14 and 43,406.30

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Solution

The fourth proportional to 51,673.16, 77,416.14 and 43,406.30 is: 65,030.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,673.16 : 77,416.14 = 43,406.30 : x
  2. Step 2: Convert to fraction form
    51,673.16/77,416.14 = 43,406.30/x
  3. Step 3: Cross multiply
    51,673.16x = 77,416.14 × 43,406.30
  4. Step 4: Simplify right side
    51,673.16x = 3,360,348,197.68
  5. Step 5: Solve for x
    x = 3,360,348,197.68/51,673.16
  6. Step 6: Final answer
    x = 65,030.82

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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.