Home / 56,213.25-77,574.29-31,066.53

Finding the Fourth Proportional to 56,213.25, 77,574.29 and 31,066.53

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Solution

The fourth proportional to 56,213.25, 77,574.29 and 31,066.53 is: 42,871.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,213.25 : 77,574.29 = 31,066.53 : x
  2. Step 2: Convert to fraction form
    56,213.25/77,574.29 = 31,066.53/x
  3. Step 3: Cross multiply
    56,213.25x = 77,574.29 × 31,066.53
  4. Step 4: Simplify right side
    56,213.25x = 2,409,963,852.18
  5. Step 5: Solve for x
    x = 2,409,963,852.18/56,213.25
  6. Step 6: Final answer
    x = 42,871.81

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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.