Home / 74,536.78-111,379.33-56,669.26

Finding the Fourth Proportional to 74,536.78, 111,379.33 and 56,669.26

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Solution

The fourth proportional to 74,536.78, 111,379.33 and 56,669.26 is: 84,680.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,536.78 : 111,379.33 = 56,669.26 : x
  2. Step 2: Convert to fraction form
    74,536.78/111,379.33 = 56,669.26/x
  3. Step 3: Cross multiply
    74,536.78x = 111,379.33 × 56,669.26
  4. Step 4: Simplify right side
    74,536.78x = 6,311,784,210.40
  5. Step 5: Solve for x
    x = 6,311,784,210.40/74,536.78
  6. Step 6: Final answer
    x = 84,680.13

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.