Home / 56,327.82-77,688.99-39,326.46

Finding the Fourth Proportional to 56,327.82, 77,688.99 and 39,326.46

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Solution

The fourth proportional to 56,327.82, 77,688.99 and 39,326.46 is: 54,240.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,327.82 : 77,688.99 = 39,326.46 : x
  2. Step 2: Convert to fraction form
    56,327.82/77,688.99 = 39,326.46/x
  3. Step 3: Cross multiply
    56,327.82x = 77,688.99 × 39,326.46
  4. Step 4: Simplify right side
    56,327.82x = 3,055,232,957.68
  5. Step 5: Solve for x
    x = 3,055,232,957.68/56,327.82
  6. Step 6: Final answer
    x = 54,240.21

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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.