Home / 84,860.88-117,111.65-47,135.13

Finding the Fourth Proportional to 84,860.88, 117,111.65 and 47,135.13

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Solution

The fourth proportional to 84,860.88, 117,111.65 and 47,135.13 is: 65,048.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,860.88 : 117,111.65 = 47,135.13 : x
  2. Step 2: Convert to fraction form
    84,860.88/117,111.65 = 47,135.13/x
  3. Step 3: Cross multiply
    84,860.88x = 117,111.65 × 47,135.13
  4. Step 4: Simplify right side
    84,860.88x = 5,520,072,847.26
  5. Step 5: Solve for x
    x = 5,520,072,847.26/84,860.88
  6. Step 6: Final answer
    x = 65,048.50

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1.5x scale

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.