Home / 84,838.40-117,023.20-52,118.48

Finding the Fourth Proportional to 84,838.40, 117,023.20 and 52,118.48

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Solution

The fourth proportional to 84,838.40, 117,023.20 and 52,118.48 is: 71,890.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,838.40 : 117,023.20 = 52,118.48 : x
  2. Step 2: Convert to fraction form
    84,838.40/117,023.20 = 52,118.48/x
  3. Step 3: Cross multiply
    84,838.40x = 117,023.20 × 52,118.48
  4. Step 4: Simplify right side
    84,838.40x = 6,099,071,308.74
  5. Step 5: Solve for x
    x = 6,099,071,308.74/84,838.40
  6. Step 6: Final answer
    x = 71,890.46

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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.