Home / 93,725.20-129,340.76-51,283.72

Finding the Fourth Proportional to 93,725.20, 129,340.76 and 51,283.72

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Solution

The fourth proportional to 93,725.20, 129,340.76 and 51,283.72 is: 70,771.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,725.20 : 129,340.76 = 51,283.72 : x
  2. Step 2: Convert to fraction form
    93,725.20/129,340.76 = 51,283.72/x
  3. Step 3: Cross multiply
    93,725.20x = 129,340.76 × 51,283.72
  4. Step 4: Simplify right side
    93,725.20x = 6,633,074,417.30
  5. Step 5: Solve for x
    x = 6,633,074,417.30/93,725.20
  6. Step 6: Final answer
    x = 70,771.52

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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.