Home / 84,731.68-127,098.50-25,567.86

Finding the Fourth Proportional to 84,731.68, 127,098.50 and 25,567.86

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Solution

The fourth proportional to 84,731.68, 127,098.50 and 25,567.86 is: 38,352.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,731.68 : 127,098.50 = 25,567.86 : x
  2. Step 2: Convert to fraction form
    84,731.68/127,098.50 = 25,567.86/x
  3. Step 3: Cross multiply
    84,731.68x = 127,098.50 × 25,567.86
  4. Step 4: Simplify right side
    84,731.68x = 3,249,636,526.37
  5. Step 5: Solve for x
    x = 3,249,636,526.37/84,731.68
  6. Step 6: Final answer
    x = 38,352.09

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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.