Home / 84,849.63-127,328.13-47,434.31

Finding the Fourth Proportional to 84,849.63, 127,328.13 and 47,434.31

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Solution

The fourth proportional to 84,849.63, 127,328.13 and 47,434.31 is: 71,181.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,849.63 : 127,328.13 = 47,434.31 : x
  2. Step 2: Convert to fraction form
    84,849.63/127,328.13 = 47,434.31/x
  3. Step 3: Cross multiply
    84,849.63x = 127,328.13 × 47,434.31
  4. Step 4: Simplify right side
    84,849.63x = 6,039,721,353.50
  5. Step 5: Solve for x
    x = 6,039,721,353.50/84,849.63
  6. Step 6: Final answer
    x = 71,181.47

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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.