Home / 104,913.66-157,417.01-54,981.89

Finding the Fourth Proportional to 104,913.66, 157,417.01 and 54,981.89

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Solution

The fourth proportional to 104,913.66, 157,417.01 and 54,981.89 is: 82,497.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,913.66 : 157,417.01 = 54,981.89 : x
  2. Step 2: Convert to fraction form
    104,913.66/157,417.01 = 54,981.89/x
  3. Step 3: Cross multiply
    104,913.66x = 157,417.01 × 54,981.89
  4. Step 4: Simplify right side
    104,913.66x = 8,655,083,665.95
  5. Step 5: Solve for x
    x = 8,655,083,665.95/104,913.66
  6. Step 6: Final answer
    x = 82,497.20

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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.