Home / 56,488.93-77,955.56-30,997.83

Finding the Fourth Proportional to 56,488.93, 77,955.56 and 30,997.83

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Solution

The fourth proportional to 56,488.93, 77,955.56 and 30,997.83 is: 42,777.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,488.93 : 77,955.56 = 30,997.83 : x
  2. Step 2: Convert to fraction form
    56,488.93/77,955.56 = 30,997.83/x
  3. Step 3: Cross multiply
    56,488.93x = 77,955.56 × 30,997.83
  4. Step 4: Simplify right side
    56,488.93x = 2,416,453,196.43
  5. Step 5: Solve for x
    x = 2,416,453,196.43/56,488.93
  6. Step 6: Final answer
    x = 42,777.46

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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.