Home / 56,208.87-77,567.27-30,714.59

Finding the Fourth Proportional to 56,208.87, 77,567.27 and 30,714.59

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Solution

The fourth proportional to 56,208.87, 77,567.27 and 30,714.59 is: 42,385.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,208.87 : 77,567.27 = 30,714.59 : x
  2. Step 2: Convert to fraction form
    56,208.87/77,567.27 = 30,714.59/x
  3. Step 3: Cross multiply
    56,208.87x = 77,567.27 × 30,714.59
  4. Step 4: Simplify right side
    56,208.87x = 2,382,446,935.81
  5. Step 5: Solve for x
    x = 2,382,446,935.81/56,208.87
  6. Step 6: Final answer
    x = 42,385.60

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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.