Home / 75,320.01-112,979.97-28,572.89

Finding the Fourth Proportional to 75,320.01, 112,979.97 and 28,572.89

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Solution

The fourth proportional to 75,320.01, 112,979.97 and 28,572.89 is: 42,859.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,320.01 : 112,979.97 = 28,572.89 : x
  2. Step 2: Convert to fraction form
    75,320.01/112,979.97 = 28,572.89/x
  3. Step 3: Cross multiply
    75,320.01x = 112,979.97 × 28,572.89
  4. Step 4: Simplify right side
    75,320.01x = 3,228,163,690.11
  5. Step 5: Solve for x
    x = 3,228,163,690.11/75,320.01
  6. Step 6: Final answer
    x = 42,859.31

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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.