Home / 70,890.04-97,828.26-39,058.64

Finding the Fourth Proportional to 70,890.04, 97,828.26 and 39,058.64

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Solution

The fourth proportional to 70,890.04, 97,828.26 and 39,058.64 is: 53,900.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,890.04 : 97,828.26 = 39,058.64 : x
  2. Step 2: Convert to fraction form
    70,890.04/97,828.26 = 39,058.64/x
  3. Step 3: Cross multiply
    70,890.04x = 97,828.26 × 39,058.64
  4. Step 4: Simplify right side
    70,890.04x = 3,821,038,789.17
  5. Step 5: Solve for x
    x = 3,821,038,789.17/70,890.04
  6. Step 6: Final answer
    x = 53,900.93

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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.