Home / 56,703.24-78,249.14-31,552.20

Finding the Fourth Proportional to 56,703.24, 78,249.14 and 31,552.20

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Solution

The fourth proportional to 56,703.24, 78,249.14 and 31,552.20 is: 43,541.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,703.24 : 78,249.14 = 31,552.20 : x
  2. Step 2: Convert to fraction form
    56,703.24/78,249.14 = 31,552.20/x
  3. Step 3: Cross multiply
    56,703.24x = 78,249.14 × 31,552.20
  4. Step 4: Simplify right side
    56,703.24x = 2,468,932,515.11
  5. Step 5: Solve for x
    x = 2,468,932,515.11/56,703.24
  6. Step 6: Final answer
    x = 43,541.30

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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.