Home / 54,332.84-74,980.89-30,459.92

Finding the Fourth Proportional to 54,332.84, 74,980.89 and 30,459.92

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Solution

The fourth proportional to 54,332.84, 74,980.89 and 30,459.92 is: 42,035.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,332.84 : 74,980.89 = 30,459.92 : x
  2. Step 2: Convert to fraction form
    54,332.84/74,980.89 = 30,459.92/x
  3. Step 3: Cross multiply
    54,332.84x = 74,980.89 × 30,459.92
  4. Step 4: Simplify right side
    54,332.84x = 2,283,911,536.02
  5. Step 5: Solve for x
    x = 2,283,911,536.02/54,332.84
  6. Step 6: Final answer
    x = 42,035.56

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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.