Home / 74,742.04-103,085.67-47,887.05

Finding the Fourth Proportional to 74,742.04, 103,085.67 and 47,887.05

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Solution

The fourth proportional to 74,742.04, 103,085.67 and 47,887.05 is: 66,046.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,742.04 : 103,085.67 = 47,887.05 : x
  2. Step 2: Convert to fraction form
    74,742.04/103,085.67 = 47,887.05/x
  3. Step 3: Cross multiply
    74,742.04x = 103,085.67 × 47,887.05
  4. Step 4: Simplify right side
    74,742.04x = 4,936,468,118.15
  5. Step 5: Solve for x
    x = 4,936,468,118.15/74,742.04
  6. Step 6: Final answer
    x = 66,046.74

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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.