Home / 93,742.80-129,366.60-51,301.20

Finding the Fourth Proportional to 93,742.80, 129,366.60 and 51,301.20

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Solution

The fourth proportional to 93,742.80, 129,366.60 and 51,301.20 is: 70,796.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,742.80 : 129,366.60 = 51,301.20 : x
  2. Step 2: Convert to fraction form
    93,742.80/129,366.60 = 51,301.20/x
  3. Step 3: Cross multiply
    93,742.80x = 129,366.60 × 51,301.20
  4. Step 4: Simplify right side
    93,742.80x = 6,636,661,819.92
  5. Step 5: Solve for x
    x = 6,636,661,819.92/93,742.80
  6. Step 6: Final answer
    x = 70,796.50

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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.