Home / 56,501.91-77,976.95-31,351.41

Finding the Fourth Proportional to 56,501.91, 77,976.95 and 31,351.41

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Solution

The fourth proportional to 56,501.91, 77,976.95 and 31,351.41 is: 43,267.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,501.91 : 77,976.95 = 31,351.41 : x
  2. Step 2: Convert to fraction form
    56,501.91/77,976.95 = 31,351.41/x
  3. Step 3: Cross multiply
    56,501.91x = 77,976.95 × 31,351.41
  4. Step 4: Simplify right side
    56,501.91x = 2,444,687,173.24
  5. Step 5: Solve for x
    x = 2,444,687,173.24/56,501.91
  6. Step 6: Final answer
    x = 43,267.34

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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.