Home / 84,720.96-127,141.38-34,846.56

Finding the Fourth Proportional to 84,720.96, 127,141.38 and 34,846.56

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Solution

The fourth proportional to 84,720.96, 127,141.38 and 34,846.56 is: 52,294.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,720.96 : 127,141.38 = 34,846.56 : x
  2. Step 2: Convert to fraction form
    84,720.96/127,141.38 = 34,846.56/x
  3. Step 3: Cross multiply
    84,720.96x = 127,141.38 × 34,846.56
  4. Step 4: Simplify right side
    84,720.96x = 4,430,439,726.65
  5. Step 5: Solve for x
    x = 4,430,439,726.65/84,720.96
  6. Step 6: Final answer
    x = 52,294.49

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1.5x scale

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.