Home / 93,731.32-129,349.38-51,289.84

Finding the Fourth Proportional to 93,731.32, 129,349.38 and 51,289.84

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Solution

The fourth proportional to 93,731.32, 129,349.38 and 51,289.84 is: 70,780.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,731.32 : 129,349.38 = 51,289.84 : x
  2. Step 2: Convert to fraction form
    93,731.32/129,349.38 = 51,289.84/x
  3. Step 3: Cross multiply
    93,731.32x = 129,349.38 × 51,289.84
  4. Step 4: Simplify right side
    93,731.32x = 6,634,309,004.30
  5. Step 5: Solve for x
    x = 6,634,309,004.30/93,731.32
  6. Step 6: Final answer
    x = 70,780.07

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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.