Home / 70,161.90-96,807.06-43,305.54

Finding the Fourth Proportional to 70,161.90, 96,807.06 and 43,305.54

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Solution

The fourth proportional to 70,161.90, 96,807.06 and 43,305.54 is: 59,751.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,161.90 : 96,807.06 = 43,305.54 : x
  2. Step 2: Convert to fraction form
    70,161.90/96,807.06 = 43,305.54/x
  3. Step 3: Cross multiply
    70,161.90x = 96,807.06 × 43,305.54
  4. Step 4: Simplify right side
    70,161.90x = 4,192,282,009.11
  5. Step 5: Solve for x
    x = 4,192,282,009.11/70,161.90
  6. Step 6: Final answer
    x = 59,751.55

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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.