Home / 75,276.45-112,918.95-33,176.31

Finding the Fourth Proportional to 75,276.45, 112,918.95 and 33,176.31

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Solution

The fourth proportional to 75,276.45, 112,918.95 and 33,176.31 is: 49,766.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,276.45 : 112,918.95 = 33,176.31 : x
  2. Step 2: Convert to fraction form
    75,276.45/112,918.95 = 33,176.31/x
  3. Step 3: Cross multiply
    75,276.45x = 112,918.95 × 33,176.31
  4. Step 4: Simplify right side
    75,276.45x = 3,746,234,090.07
  5. Step 5: Solve for x
    x = 3,746,234,090.07/75,276.45
  6. Step 6: Final answer
    x = 49,766.35

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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.