Home / 84,950.16-117,236.88-56,220.24

Finding the Fourth Proportional to 84,950.16, 117,236.88 and 56,220.24

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Solution

The fourth proportional to 84,950.16, 117,236.88 and 56,220.24 is: 77,587.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,950.16 : 117,236.88 = 56,220.24 : x
  2. Step 2: Convert to fraction form
    84,950.16/117,236.88 = 56,220.24/x
  3. Step 3: Cross multiply
    84,950.16x = 117,236.88 × 56,220.24
  4. Step 4: Simplify right side
    84,950.16x = 6,591,085,530.45
  5. Step 5: Solve for x
    x = 6,591,085,530.45/84,950.16
  6. Step 6: Final answer
    x = 77,587.68

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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.