Home / 61,678.10-85,117.83-37,800.16

Finding the Fourth Proportional to 61,678.10, 85,117.83 and 37,800.16

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Solution

The fourth proportional to 61,678.10, 85,117.83 and 37,800.16 is: 52,165.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,678.10 : 85,117.83 = 37,800.16 : x
  2. Step 2: Convert to fraction form
    61,678.10/85,117.83 = 37,800.16/x
  3. Step 3: Cross multiply
    61,678.10x = 85,117.83 × 37,800.16
  4. Step 4: Simplify right side
    61,678.10x = 3,217,467,167.26
  5. Step 5: Solve for x
    x = 3,217,467,167.26/61,678.10
  6. Step 6: Final answer
    x = 52,165.47

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.