Home / 78,937.10-118,301.97-37,395.98

Finding the Fourth Proportional to 78,937.10, 118,301.97 and 37,395.98

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Solution

The fourth proportional to 78,937.10, 118,301.97 and 37,395.98 is: 56,044.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,937.10 : 118,301.97 = 37,395.98 : x
  2. Step 2: Convert to fraction form
    78,937.10/118,301.97 = 37,395.98/x
  3. Step 3: Cross multiply
    78,937.10x = 118,301.97 × 37,395.98
  4. Step 4: Simplify right side
    78,937.10x = 4,424,018,104.08
  5. Step 5: Solve for x
    x = 4,424,018,104.08/78,937.10
  6. Step 6: Final answer
    x = 56,044.85

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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.