Home / 70,120.31-96,868.37-60,672.47

Finding the Fourth Proportional to 70,120.31, 96,868.37 and 60,672.47

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Solution

The fourth proportional to 70,120.31, 96,868.37 and 60,672.47 is: 83,816.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,120.31 : 96,868.37 = 60,672.47 : x
  2. Step 2: Convert to fraction form
    70,120.31/96,868.37 = 60,672.47/x
  3. Step 3: Cross multiply
    70,120.31x = 96,868.37 × 60,672.47
  4. Step 4: Simplify right side
    70,120.31x = 5,877,242,940.11
  5. Step 5: Solve for x
    x = 5,877,242,940.11/70,120.31
  6. Step 6: Final answer
    x = 83,816.56

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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.