Home / 93,739.05-129,362.13-53,456.67

Finding the Fourth Proportional to 93,739.05, 129,362.13 and 53,456.67

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Solution

The fourth proportional to 93,739.05, 129,362.13 and 53,456.67 is: 73,771.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,739.05 : 129,362.13 = 53,456.67 : x
  2. Step 2: Convert to fraction form
    93,739.05/129,362.13 = 53,456.67/x
  3. Step 3: Cross multiply
    93,739.05x = 129,362.13 × 53,456.67
  4. Step 4: Simplify right side
    93,739.05x = 6,915,268,693.91
  5. Step 5: Solve for x
    x = 6,915,268,693.91/93,739.05
  6. Step 6: Final answer
    x = 73,771.48

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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.