Home / 56,064.87-77,368.55-30,571.43

Finding the Fourth Proportional to 56,064.87, 77,368.55 and 30,571.43

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Solution

The fourth proportional to 56,064.87, 77,368.55 and 30,571.43 is: 42,188.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,064.87 : 77,368.55 = 30,571.43 : x
  2. Step 2: Convert to fraction form
    56,064.87/77,368.55 = 30,571.43/x
  3. Step 3: Cross multiply
    56,064.87x = 77,368.55 × 30,571.43
  4. Step 4: Simplify right side
    56,064.87x = 2,365,266,670.83
  5. Step 5: Solve for x
    x = 2,365,266,670.83/56,064.87
  6. Step 6: Final answer
    x = 42,188.03

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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.