Home / 93,787.56-129,422.34-51,345

Finding the Fourth Proportional to 93,787.56, 129,422.34 and 51,345

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Solution

The fourth proportional to 93,787.56, 129,422.34 and 51,345 is: 70,853.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,787.56 : 129,422.34 = 51,345 : x
  2. Step 2: Convert to fraction form
    93,787.56/129,422.34 = 51,345/x
  3. Step 3: Cross multiply
    93,787.56x = 129,422.34 × 51,345
  4. Step 4: Simplify right side
    93,787.56x = 6,645,190,047.30
  5. Step 5: Solve for x
    x = 6,645,190,047.30/93,787.56
  6. Step 6: Final answer
    x = 70,853.64

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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.