Home / 56,748.88-85,123.32-17,305.12

Finding the Fourth Proportional to 56,748.88, 85,123.32 and 17,305.12

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Solution

The fourth proportional to 56,748.88, 85,123.32 and 17,305.12 is: 25,957.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,748.88 : 85,123.32 = 17,305.12 : x
  2. Step 2: Convert to fraction form
    56,748.88/85,123.32 = 17,305.12/x
  3. Step 3: Cross multiply
    56,748.88x = 85,123.32 × 17,305.12
  4. Step 4: Simplify right side
    56,748.88x = 1,473,069,267.40
  5. Step 5: Solve for x
    x = 1,473,069,267.40/56,748.88
  6. Step 6: Final answer
    x = 25,957.68

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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.