Home / 70,712.65-97,580.93-38,881.27

Finding the Fourth Proportional to 70,712.65, 97,580.93 and 38,881.27

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Solution

The fourth proportional to 70,712.65, 97,580.93 and 38,881.27 is: 53,654.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,712.65 : 97,580.93 = 38,881.27 : x
  2. Step 2: Convert to fraction form
    70,712.65/97,580.93 = 38,881.27/x
  3. Step 3: Cross multiply
    70,712.65x = 97,580.93 × 38,881.27
  4. Step 4: Simplify right side
    70,712.65x = 3,794,070,486.18
  5. Step 5: Solve for x
    x = 3,794,070,486.18/70,712.65
  6. Step 6: Final answer
    x = 53,654.76

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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.