Home / 70,042.20-96,654.47-39,823.35

Finding the Fourth Proportional to 70,042.20, 96,654.47 and 39,823.35

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Solution

The fourth proportional to 70,042.20, 96,654.47 and 39,823.35 is: 54,954.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,042.20 : 96,654.47 = 39,823.35 : x
  2. Step 2: Convert to fraction form
    70,042.20/96,654.47 = 39,823.35/x
  3. Step 3: Cross multiply
    70,042.20x = 96,654.47 × 39,823.35
  4. Step 4: Simplify right side
    70,042.20x = 3,849,104,588.76
  5. Step 5: Solve for x
    x = 3,849,104,588.76/70,042.20
  6. Step 6: Final answer
    x = 54,954.08

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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.