Home / 75,838.52-104,656.20-41,383.28

Finding the Fourth Proportional to 75,838.52, 104,656.20 and 41,383.28

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Solution

The fourth proportional to 75,838.52, 104,656.20 and 41,383.28 is: 57,108.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,838.52 : 104,656.20 = 41,383.28 : x
  2. Step 2: Convert to fraction form
    75,838.52/104,656.20 = 41,383.28/x
  3. Step 3: Cross multiply
    75,838.52x = 104,656.20 × 41,383.28
  4. Step 4: Simplify right side
    75,838.52x = 4,331,016,828.34
  5. Step 5: Solve for x
    x = 4,331,016,828.34/75,838.52
  6. Step 6: Final answer
    x = 57,108.40

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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.