Home / 54,531.04-75,252.75-30,657.76

Finding the Fourth Proportional to 54,531.04, 75,252.75 and 30,657.76

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Solution

The fourth proportional to 54,531.04, 75,252.75 and 30,657.76 is: 42,307.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,531.04 : 75,252.75 = 30,657.76 : x
  2. Step 2: Convert to fraction form
    54,531.04/75,252.75 = 30,657.76/x
  3. Step 3: Cross multiply
    54,531.04x = 75,252.75 × 30,657.76
  4. Step 4: Simplify right side
    54,531.04x = 2,307,080,748.84
  5. Step 5: Solve for x
    x = 2,307,080,748.84/54,531.04
  6. Step 6: Final answer
    x = 42,307.66

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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.