Home / 56,216.84-77,575.74-31,066.88

Finding the Fourth Proportional to 56,216.84, 77,575.74 and 31,066.88

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Solution

The fourth proportional to 56,216.84, 77,575.74 and 31,066.88 is: 42,870.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,216.84 : 77,575.74 = 31,066.88 : x
  2. Step 2: Convert to fraction form
    56,216.84/77,575.74 = 31,066.88/x
  3. Step 3: Cross multiply
    56,216.84x = 77,575.74 × 31,066.88
  4. Step 4: Simplify right side
    56,216.84x = 2,410,036,205.49
  5. Step 5: Solve for x
    x = 2,410,036,205.49/56,216.84
  6. Step 6: Final answer
    x = 42,870.36

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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.