Home / 56,356.74-77,772.30-31,206.24

Finding the Fourth Proportional to 56,356.74, 77,772.30 and 31,206.24

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Solution

The fourth proportional to 56,356.74, 77,772.30 and 31,206.24 is: 43,064.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,356.74 : 77,772.30 = 31,206.24 : x
  2. Step 2: Convert to fraction form
    56,356.74/77,772.30 = 31,206.24/x
  3. Step 3: Cross multiply
    56,356.74x = 77,772.30 × 31,206.24
  4. Step 4: Simplify right side
    56,356.74x = 2,426,981,059.15
  5. Step 5: Solve for x
    x = 2,426,981,059.15/56,356.74
  6. Step 6: Final answer
    x = 43,064.61

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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.