Home / 77,525.28-107,001.51-47,304.09

Finding the Fourth Proportional to 77,525.28, 107,001.51 and 47,304.09

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Solution

The fourth proportional to 77,525.28, 107,001.51 and 47,304.09 is: 65,289.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,525.28 : 107,001.51 = 47,304.09 : x
  2. Step 2: Convert to fraction form
    77,525.28/107,001.51 = 47,304.09/x
  3. Step 3: Cross multiply
    77,525.28x = 107,001.51 × 47,304.09
  4. Step 4: Simplify right side
    77,525.28x = 5,061,609,059.18
  5. Step 5: Solve for x
    x = 5,061,609,059.18/77,525.28
  6. Step 6: Final answer
    x = 65,289.79

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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.