Home / 93,720.24-129,342.83-51,285.15

Finding the Fourth Proportional to 93,720.24, 129,342.83 and 51,285.15

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Solution

The fourth proportional to 93,720.24, 129,342.83 and 51,285.15 is: 70,778.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,720.24 : 129,342.83 = 51,285.15 : x
  2. Step 2: Convert to fraction form
    93,720.24/129,342.83 = 51,285.15/x
  3. Step 3: Cross multiply
    93,720.24x = 129,342.83 × 51,285.15
  4. Step 4: Simplify right side
    93,720.24x = 6,633,366,181.55
  5. Step 5: Solve for x
    x = 6,633,366,181.55/93,720.24
  6. Step 6: Final answer
    x = 70,778.37

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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.