Home / 78,018.79-117,045.78-24,714.04

Finding the Fourth Proportional to 78,018.79, 117,045.78 and 24,714.04

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Solution

The fourth proportional to 78,018.79, 117,045.78 and 24,714.04 is: 37,076.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,018.79 : 117,045.78 = 24,714.04 : x
  2. Step 2: Convert to fraction form
    78,018.79/117,045.78 = 24,714.04/x
  3. Step 3: Cross multiply
    78,018.79x = 117,045.78 × 24,714.04
  4. Step 4: Simplify right side
    78,018.79x = 2,892,674,088.75
  5. Step 5: Solve for x
    x = 2,892,674,088.75/78,018.79
  6. Step 6: Final answer
    x = 37,076.63

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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.