Home / 53,018.16-79,514.12-31,676.70

Finding the Fourth Proportional to 53,018.16, 79,514.12 and 31,676.70

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Solution

The fourth proportional to 53,018.16, 79,514.12 and 31,676.70 is: 47,507.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,018.16 : 79,514.12 = 31,676.70 : x
  2. Step 2: Convert to fraction form
    53,018.16/79,514.12 = 31,676.70/x
  3. Step 3: Cross multiply
    53,018.16x = 79,514.12 × 31,676.70
  4. Step 4: Simplify right side
    53,018.16x = 2,518,744,925.00
  5. Step 5: Solve for x
    x = 2,518,744,925.00/53,018.16
  6. Step 6: Final answer
    x = 47,507.21

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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.