Home / 61,240.68-91,864.45-19,126.58

Finding the Fourth Proportional to 61,240.68, 91,864.45 and 19,126.58

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Solution

The fourth proportional to 61,240.68, 91,864.45 and 19,126.58 is: 28,690.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,240.68 : 91,864.45 = 19,126.58 : x
  2. Step 2: Convert to fraction form
    61,240.68/91,864.45 = 19,126.58/x
  3. Step 3: Cross multiply
    61,240.68x = 91,864.45 × 19,126.58
  4. Step 4: Simplify right side
    61,240.68x = 1,757,052,752.08
  5. Step 5: Solve for x
    x = 1,757,052,752.08/61,240.68
  6. Step 6: Final answer
    x = 28,690.94

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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.