Home / 70,890.10-97,829.49-39,058.54

Finding the Fourth Proportional to 70,890.10, 97,829.49 and 39,058.54

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Solution

The fourth proportional to 70,890.10, 97,829.49 and 39,058.54 is: 53,901.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,890.10 : 97,829.49 = 39,058.54 : x
  2. Step 2: Convert to fraction form
    70,890.10/97,829.49 = 39,058.54/x
  3. Step 3: Cross multiply
    70,890.10x = 97,829.49 × 39,058.54
  4. Step 4: Simplify right side
    70,890.10x = 3,821,077,048.34
  5. Step 5: Solve for x
    x = 3,821,077,048.34/70,890.10
  6. Step 6: Final answer
    x = 53,901.42

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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.