Home / 56,165.68-77,508.44-31,015.04

Finding the Fourth Proportional to 56,165.68, 77,508.44 and 31,015.04

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Solution

The fourth proportional to 56,165.68, 77,508.44 and 31,015.04 is: 42,800.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,165.68 : 77,508.44 = 31,015.04 : x
  2. Step 2: Convert to fraction form
    56,165.68/77,508.44 = 31,015.04/x
  3. Step 3: Cross multiply
    56,165.68x = 77,508.44 × 31,015.04
  4. Step 4: Simplify right side
    56,165.68x = 2,403,927,366.94
  5. Step 5: Solve for x
    x = 2,403,927,366.94/56,165.68
  6. Step 6: Final answer
    x = 42,800.65

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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.