Home / 84,055.32-115,959.60-60,173.28

Finding the Fourth Proportional to 84,055.32, 115,959.60 and 60,173.28

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Solution

The fourth proportional to 84,055.32, 115,959.60 and 60,173.28 is: 83,012.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,055.32 : 115,959.60 = 60,173.28 : x
  2. Step 2: Convert to fraction form
    84,055.32/115,959.60 = 60,173.28/x
  3. Step 3: Cross multiply
    84,055.32x = 115,959.60 × 60,173.28
  4. Step 4: Simplify right side
    84,055.32x = 6,977,669,479.49
  5. Step 5: Solve for x
    x = 6,977,669,479.49/84,055.32
  6. Step 6: Final answer
    x = 83,012.82

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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.