Home / 54,770.61-75,586.93-30,888.57

Finding the Fourth Proportional to 54,770.61, 75,586.93 and 30,888.57

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Solution

The fourth proportional to 54,770.61, 75,586.93 and 30,888.57 is: 42,628.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,770.61 : 75,586.93 = 30,888.57 : x
  2. Step 2: Convert to fraction form
    54,770.61/75,586.93 = 30,888.57/x
  3. Step 3: Cross multiply
    54,770.61x = 75,586.93 × 30,888.57
  4. Step 4: Simplify right side
    54,770.61x = 2,334,771,964.04
  5. Step 5: Solve for x
    x = 2,334,771,964.04/54,770.61
  6. Step 6: Final answer
    x = 42,628.19

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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.