Home / 84,891.15-117,149.77-47,165.40

Finding the Fourth Proportional to 84,891.15, 117,149.77 and 47,165.40

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Solution

The fourth proportional to 84,891.15, 117,149.77 and 47,165.40 is: 65,088.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,891.15 : 117,149.77 = 47,165.40 : x
  2. Step 2: Convert to fraction form
    84,891.15/117,149.77 = 47,165.40/x
  3. Step 3: Cross multiply
    84,891.15x = 117,149.77 × 47,165.40
  4. Step 4: Simplify right side
    84,891.15x = 5,525,415,644.04
  5. Step 5: Solve for x
    x = 5,525,415,644.04/84,891.15
  6. Step 6: Final answer
    x = 65,088.24

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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.