Home / 55,254.05-82,881.65-30,280.49

Finding the Fourth Proportional to 55,254.05, 82,881.65 and 30,280.49

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Solution

The fourth proportional to 55,254.05, 82,881.65 and 30,280.49 is: 45,421.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,254.05 : 82,881.65 = 30,280.49 : x
  2. Step 2: Convert to fraction form
    55,254.05/82,881.65 = 30,280.49/x
  3. Step 3: Cross multiply
    55,254.05x = 82,881.65 × 30,280.49
  4. Step 4: Simplify right side
    55,254.05x = 2,509,696,974.01
  5. Step 5: Solve for x
    x = 2,509,696,974.01/55,254.05
  6. Step 6: Final answer
    x = 45,421.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.