Home / 56,209.01-77,567.49-30,714.82

Finding the Fourth Proportional to 56,209.01, 77,567.49 and 30,714.82

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Solution

The fourth proportional to 56,209.01, 77,567.49 and 30,714.82 is: 42,385.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,209.01 : 77,567.49 = 30,714.82 : x
  2. Step 2: Convert to fraction form
    56,209.01/77,567.49 = 30,714.82/x
  3. Step 3: Cross multiply
    56,209.01x = 77,567.49 × 30,714.82
  4. Step 4: Simplify right side
    56,209.01x = 2,382,471,299.28
  5. Step 5: Solve for x
    x = 2,382,471,299.28/56,209.01
  6. Step 6: Final answer
    x = 42,385.94

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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.