Home / 85,284.24-117,686.70-47,041.49

Finding the Fourth Proportional to 85,284.24, 117,686.70 and 47,041.49

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Solution

The fourth proportional to 85,284.24, 117,686.70 and 47,041.49 is: 64,914.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,284.24 : 117,686.70 = 47,041.49 : x
  2. Step 2: Convert to fraction form
    85,284.24/117,686.70 = 47,041.49/x
  3. Step 3: Cross multiply
    85,284.24x = 117,686.70 × 47,041.49
  4. Step 4: Simplify right side
    85,284.24x = 5,536,157,132.75
  5. Step 5: Solve for x
    x = 5,536,157,132.75/85,284.24
  6. Step 6: Final answer
    x = 64,914.19

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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.