Home / 75,054.54-112,515.57-28,274.70

Finding the Fourth Proportional to 75,054.54, 112,515.57 and 28,274.70

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Solution

The fourth proportional to 75,054.54, 112,515.57 and 28,274.70 is: 42,387.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,054.54 : 112,515.57 = 28,274.70 : x
  2. Step 2: Convert to fraction form
    75,054.54/112,515.57 = 28,274.70/x
  3. Step 3: Cross multiply
    75,054.54x = 112,515.57 × 28,274.70
  4. Step 4: Simplify right side
    75,054.54x = 3,181,343,987.08
  5. Step 5: Solve for x
    x = 3,181,343,987.08/75,054.54
  6. Step 6: Final answer
    x = 42,387.10

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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.