Home / 56,217.36-77,577.44-31,066.32

Finding the Fourth Proportional to 56,217.36, 77,577.44 and 31,066.32

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Solution

The fourth proportional to 56,217.36, 77,577.44 and 31,066.32 is: 42,870.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,217.36 : 77,577.44 = 31,066.32 : x
  2. Step 2: Convert to fraction form
    56,217.36/77,577.44 = 31,066.32/x
  3. Step 3: Cross multiply
    56,217.36x = 77,577.44 × 31,066.32
  4. Step 4: Simplify right side
    56,217.36x = 2,410,045,575.82
  5. Step 5: Solve for x
    x = 2,410,045,575.82/56,217.36
  6. Step 6: Final answer
    x = 42,870.13

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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.