Home / 56,357.58-77,772.51-31,206.54

Finding the Fourth Proportional to 56,357.58, 77,772.51 and 31,206.54

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Solution

The fourth proportional to 56,357.58, 77,772.51 and 31,206.54 is: 43,064.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,357.58 : 77,772.51 = 31,206.54 : x
  2. Step 2: Convert to fraction form
    56,357.58/77,772.51 = 31,206.54/x
  3. Step 3: Cross multiply
    56,357.58x = 77,772.51 × 31,206.54
  4. Step 4: Simplify right side
    56,357.58x = 2,427,010,944.22
  5. Step 5: Solve for x
    x = 2,427,010,944.22/56,357.58
  6. Step 6: Final answer
    x = 43,064.50

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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.