Home / 56,708.79-85,067.10-19,253.58

Finding the Fourth Proportional to 56,708.79, 85,067.10 and 19,253.58

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Solution

The fourth proportional to 56,708.79, 85,067.10 and 19,253.58 is: 28,881.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,708.79 : 85,067.10 = 19,253.58 : x
  2. Step 2: Convert to fraction form
    56,708.79/85,067.10 = 19,253.58/x
  3. Step 3: Cross multiply
    56,708.79x = 85,067.10 × 19,253.58
  4. Step 4: Simplify right side
    56,708.79x = 1,637,846,215.22
  5. Step 5: Solve for x
    x = 1,637,846,215.22/56,708.79
  6. Step 6: Final answer
    x = 28,881.70

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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.