Home / 77,001.23-106,258.52-43,009.56

Finding the Fourth Proportional to 77,001.23, 106,258.52 and 43,009.56

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Solution

The fourth proportional to 77,001.23, 106,258.52 and 43,009.56 is: 59,351.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,001.23 : 106,258.52 = 43,009.56 : x
  2. Step 2: Convert to fraction form
    77,001.23/106,258.52 = 43,009.56/x
  3. Step 3: Cross multiply
    77,001.23x = 106,258.52 × 43,009.56
  4. Step 4: Simplify right side
    77,001.23x = 4,570,132,191.45
  5. Step 5: Solve for x
    x = 4,570,132,191.45/77,001.23
  6. Step 6: Final answer
    x = 59,351.42

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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.