Home / 75,179.16-112,648.80-55,095.60

Finding the Fourth Proportional to 75,179.16, 112,648.80 and 55,095.60

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Solution

The fourth proportional to 75,179.16, 112,648.80 and 55,095.60 is: 82,555.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,179.16 : 112,648.80 = 55,095.60 : x
  2. Step 2: Convert to fraction form
    75,179.16/112,648.80 = 55,095.60/x
  3. Step 3: Cross multiply
    75,179.16x = 112,648.80 × 55,095.60
  4. Step 4: Simplify right side
    75,179.16x = 6,206,453,225.28
  5. Step 5: Solve for x
    x = 6,206,453,225.28/75,179.16
  6. Step 6: Final answer
    x = 82,555.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.