Home / 73,139.10-100,926.72-42,925.66

Finding the Fourth Proportional to 73,139.10, 100,926.72 and 42,925.66

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Solution

The fourth proportional to 73,139.10, 100,926.72 and 42,925.66 is: 59,234.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,139.10 : 100,926.72 = 42,925.66 : x
  2. Step 2: Convert to fraction form
    73,139.10/100,926.72 = 42,925.66/x
  3. Step 3: Cross multiply
    73,139.10x = 100,926.72 × 42,925.66
  4. Step 4: Simplify right side
    73,139.10x = 4,332,346,067.64
  5. Step 5: Solve for x
    x = 4,332,346,067.64/73,139.10
  6. Step 6: Final answer
    x = 59,234.34

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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.