Home / 85,828.75-118,450.65-47,592.10

Finding the Fourth Proportional to 85,828.75, 118,450.65 and 47,592.10

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Solution

The fourth proportional to 85,828.75, 118,450.65 and 47,592.10 is: 65,680.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,828.75 : 118,450.65 = 47,592.10 : x
  2. Step 2: Convert to fraction form
    85,828.75/118,450.65 = 47,592.10/x
  3. Step 3: Cross multiply
    85,828.75x = 118,450.65 × 47,592.10
  4. Step 4: Simplify right side
    85,828.75x = 5,637,315,179.87
  5. Step 5: Solve for x
    x = 5,637,315,179.87/85,828.75
  6. Step 6: Final answer
    x = 65,680.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.