Home / 70,929.72-97,883.28-39,097.92

Finding the Fourth Proportional to 70,929.72, 97,883.28 and 39,097.92

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Solution

The fourth proportional to 70,929.72, 97,883.28 and 39,097.92 is: 53,955.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,929.72 : 97,883.28 = 39,097.92 : x
  2. Step 2: Convert to fraction form
    70,929.72/97,883.28 = 39,097.92/x
  3. Step 3: Cross multiply
    70,929.72x = 97,883.28 × 39,097.92
  4. Step 4: Simplify right side
    70,929.72x = 3,827,032,650.78
  5. Step 5: Solve for x
    x = 3,827,032,650.78/70,929.72
  6. Step 6: Final answer
    x = 53,955.28

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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.