Home / 56,321.34-84,407.28-46,979.66

Finding the Fourth Proportional to 56,321.34, 84,407.28 and 46,979.66

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Solution

The fourth proportional to 56,321.34, 84,407.28 and 46,979.66 is: 70,407.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,321.34 : 84,407.28 = 46,979.66 : x
  2. Step 2: Convert to fraction form
    56,321.34/84,407.28 = 46,979.66/x
  3. Step 3: Cross multiply
    56,321.34x = 84,407.28 × 46,979.66
  4. Step 4: Simplify right side
    56,321.34x = 3,965,425,315.92
  5. Step 5: Solve for x
    x = 3,965,425,315.92/56,321.34
  6. Step 6: Final answer
    x = 70,407.16

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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.