Home / 93,961.31-129,670.35-51,521.36

Finding the Fourth Proportional to 93,961.31, 129,670.35 and 51,521.36

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Solution

The fourth proportional to 93,961.31, 129,670.35 and 51,521.36 is: 71,101.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,961.31 : 129,670.35 = 51,521.36 : x
  2. Step 2: Convert to fraction form
    93,961.31/129,670.35 = 51,521.36/x
  3. Step 3: Cross multiply
    93,961.31x = 129,670.35 × 51,521.36
  4. Step 4: Simplify right side
    93,961.31x = 6,680,792,783.68
  5. Step 5: Solve for x
    x = 6,680,792,783.68/93,961.31
  6. Step 6: Final answer
    x = 71,101.53

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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.