Home / 84,731.90-127,108.44-25,567.47

Finding the Fourth Proportional to 84,731.90, 127,108.44 and 25,567.47

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Solution

The fourth proportional to 84,731.90, 127,108.44 and 25,567.47 is: 38,354.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,731.90 : 127,108.44 = 25,567.47 : x
  2. Step 2: Convert to fraction form
    84,731.90/127,108.44 = 25,567.47/x
  3. Step 3: Cross multiply
    84,731.90x = 127,108.44 × 25,567.47
  4. Step 4: Simplify right side
    84,731.90x = 3,249,841,226.45
  5. Step 5: Solve for x
    x = 3,249,841,226.45/84,731.90
  6. Step 6: Final answer
    x = 38,354.40

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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.