Home / 84,665.10-126,886.26-47,242.80

Finding the Fourth Proportional to 84,665.10, 126,886.26 and 47,242.80

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Solution

The fourth proportional to 84,665.10, 126,886.26 and 47,242.80 is: 70,802.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,665.10 : 126,886.26 = 47,242.80 : x
  2. Step 2: Convert to fraction form
    84,665.10/126,886.26 = 47,242.80/x
  3. Step 3: Cross multiply
    84,665.10x = 126,886.26 × 47,242.80
  4. Step 4: Simplify right side
    84,665.10x = 5,994,462,203.93
  5. Step 5: Solve for x
    x = 5,994,462,203.93/84,665.10
  6. Step 6: Final answer
    x = 70,802.04

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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.