Home / 93,727.31-129,343.69-51,285.84

Finding the Fourth Proportional to 93,727.31, 129,343.69 and 51,285.84

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Solution

The fourth proportional to 93,727.31, 129,343.69 and 51,285.84 is: 70,774.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,727.31 : 129,343.69 = 51,285.84 : x
  2. Step 2: Convert to fraction form
    93,727.31/129,343.69 = 51,285.84/x
  3. Step 3: Cross multiply
    93,727.31x = 129,343.69 × 51,285.84
  4. Step 4: Simplify right side
    93,727.31x = 6,633,500,339.50
  5. Step 5: Solve for x
    x = 6,633,500,339.50/93,727.31
  6. Step 6: Final answer
    x = 70,774.46

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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.